can someone teach me how to isolate variables in algebra

There are 18 girls and 24 boys who want to participate in a trivia challenge. If each team must have the same ratio of girls and boys, what is the greatest number of teams that can enter? Find how many boys and girls each team would have.

The number of miles driven by a truck driver falls between 300 and 700, and follows a uniform distribution.
a. Find the probability that the truck driver goes more than 650 miles in a day.
b. Find the probability that the truck drivers goes between 400 and 650 miles in a day.
c. At least how many miles does the truck driver travel on the furthest 10% of days?

What if it like this

How many gallons of a 70% antifreeze solution must be mixed with 100 gallons of 30% antifreeze to get a mixture that is 60% antifreeze?

Find the exact value of tan^-1(1)
A. Pi/4
B. 7pi/4
C. 5pi/4
D. 3pi/4

Marlene made a table to relate the number of T-shirts to the total cost. How can
you tell from the table that the relationship is not proportional?
Number of T-shirt
1
2
3
4
A
The number of T-shirts increases in intervals of one.
B
The rule of multiplying by 8 works for all but 4 T-shirts.
C
The number of T-shirts increases by a different amount than the total cost does.
D
All of the numbers of T-shirts can be multiplied by the same amount to get the cost.

What equation shows how to use equivalent fractions to evaluate 2/5 + 3/4

I need this at 8 hurry guys I’ll give brainlyest

PLS HELP
4. What does the y-intercept of the graph of Monday's storm mean? Does the y-intercept of the graph of Thursday's storm have the same meaning?

complete the point-slope equation of the line through (1,0) and (6,-3)

Write an equation for 51 divided by 3 is k

Please hurry please

Use the information mZ1 = (3x + 30), m42 = (5x – 10°, and x = 20, and the theorems you have learned to
show that 1 || m.

What does 0.05 x 300 represent?

What is the sum of –356.1 + 258.6? –614.7 –97.5 97.5 614.7

True or False

Gross income is the amount of money you earn before taxes
________________________

Net income is after taxes.
________________________

There are 24 pay periods in a year if you are paid monthly.
________________________

Regular or straight time pay is calculated by the hourly rate X hours worked.
___________________________

Piecework is when you are paid for each item of work that you do.
__________________________

Fill in the blank

When I earn extra money based on the amount I sell, this is called____________________________.

Overtime begins when a person works more than _____ hours per week.

Social Security, Federal , and ______________ taxes will be deducted from an employee’s paycheck.

Overtime Pay is an Act covered by ______________________________________________________.
Annual salary is calculated by dividing the salary by _____________________________________.

Jen is single and owns a condo. Her condo costs $120,000 and she has a $100,000 mortgage at 5%. She pays $3,600 in property tax and contributes $500 to ber church per year. Does she use Iternized Deduction or Standard Deduction?​

If you can answer my riddle I will mark as brainlest ok?
RIDDLE: If you give me food I will live but if you give me water I will die. What am I?

Compare using <, > or = 7 2/5 _ 7 3/7 ​

Max pays a flat rate of $85 for his cell phone. He is also charged $0.15 for every text that he sends. His cell phone bill can be no more than the amount he has budgeted for it each month. If x represents the number of texts and y represents his budgeted amount, which inequality represents Max's cell phone budget each month? (3 points)
a $0.15x + $85 ≥ y
b $0.15x + $85 ≤ y
c $0.15x - $85 ≥ y
d $0.15x - $85 ≤ y​

In ΔIJK, j = 7.6 cm, k = 7.8 cm and ∠I=27°. Find the length of i, to the nearest 10th of a centimeter.

Area can be defined as the number of square units it takes to cover the inside
of a figure
A. True
B. False

What should be subtracted from 538 to get reminder 3 when divided by 11

6.) The average delivery charge for a refrigerator is $54. The standard deviation is 53. Find the
range in which at least 75% of the data values will fall.
1

I WILL MARK BRAINLIST

helppppp please I will give brainliest​

Is 13 a solution to the compound inequality d>5 and x<10

The mass of Earth is 5.9722×1024 kg. The mass of Venus is 4.8685×1024 kg. What is the difference between the mass of Earth and the mass of Venus?

Evaluate the following expression. Express your answer in simplest form.
3
16
+
5
18
1
2
5
16
10
32

Calculate the insurance costs.
The Greene family obtains bodily injury and property damage automobile insurance in the amount of 50/100/10. The car
that they insure is not driven to work, and no male drivers under twenty-five use the car.
a. What does the Greene family pay as an annual premium?
b. How much would it cost him to purchase insurance in the amount of 100/300/25?
c. What is the difference in cost?