The perimeter of a trapezoid is 39a-7. Three sides have the following length:9a, 5a+1, and 17a-6. What is the length of the forth side?

Diego brought cookies that cost $0.89 per pound. He paid $4.45 for the cookies. How many pounds of cookies did he buy

What is the best approximate solution of the system of linear equations y=1.5x-1 and y=1

Quotient of two more than a number and eight

Add 1/3 + 5 3/4 enter the sum in the box as a mixed number in simplest form

H/-40+76<77 solve for h

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.