What's the substitution for 3x+y=-8 and - 2x-y=6

Students are holding a car wash to raise money. they estimate it would take 5 minutes to wash one car. if the car wash last 5 hours which of the following can be used to find c the maximum number of cars the students can wash

The area of a parallelogram is 420cm^2 and the height is 35cm. Find the corresponding base.

Convert 36% to a fraction in simplest form.

Which of the following graphs represents a function? Graph A (parabola) Graph B (hyperbola) Graph C (circle) Graph D (horizontal parabola)

9. Use (, = ) to compare 2/3 and 34. A. None of the above B. 23 < 34 C. 2/3 > 34 D. 23 = 34

The ratio between the number of cats (c) in a pet shelter and the number of dogs) in the shelter is 3. there are 27 cats in the shelter. how many dogs are in the shelter?

One student begins in Cleveland, Ohio, and walks towards Buffalo, New York, a distance of 200 miles. She walks at the rate of 2.5 miles per hour.

A married couple had a combined annual income of 63,000. The wife made 7,000 more than her husband. What was each of their incomes?

What is the volume of this cube with a side length of 6 centimeters 6 cm

Sue purchased three books for $3.75 each. how much did she spend in all?