What is the perimeter of a triangle with side lengths of 9, 12, and 4x?

1. 25

2. 25 + x

3. 21x

or

4. 21 + 4x

If C (m) = 0.50m+30 represents the cost of renting a car, how many miles were driven if the cost is $130?

Solve the system of linear equations by substitution. -2x-5y=3 3x+8y=-6

The sum of the sides of a triangle add up to 12 feet. If one side has a length of 3 feet and another side has a length of 4 feet, what is the length of the third side

What if we draw three socks from the box instead. what is the probability that we draw a matching pair? (having all three socks be the same color also counts as having a matching pair.) ?

What is an experiment that models a real life situation

The value of mn is part of what subset (s) of the real numbers? Select all that apply. rational numbers irrational numbers integers whole numbers

What statement is a correct expression of the Law of Conservation of Mass? Choose one answer A. The total mass decreases during a chemical reaction B. The total mass increased in a chemical reaction. C.

she estimates her expenses a month to be 400$ she tutors 5hours a week how much does she need to charge per hour

In the spring, you charge people $7 for going to their house to water flowers, then $4 for every hour you water. If you make $27 one day, how many hours did you spend watering?

Sophia spent 6,274 rand on her trip. she exchanged the rand she had left for u. s. Dollars. The exchange rate was 1 rand to$0.14. How many u. s. Dollars did sophia get? Support your answer using specific information from the problem.