12x - 5y = - 20,

12x - 5y = - 20y = x + 4

y = x + 4

Cole puts 68 books in a bookcase. he puts an equal number of books on each of 9 shelves and 5 books on the last shelf. how many books are on each of the 9 shelves?

Maddy mows acres in 2 hours how many acres does maddy mw per hour

5. Which of the following equations represents a horizontal line? a. y = x b. x=5 y=-12 d. y=-x + 1

Simplify each expression. Justify each step. 4 (x + 9) + 5x

Which speed is the fastest: A. 18 feet in 20 minutes B. 90 feet in 2.5 hours X. 20 feet in 1.5 hours D. 3 2/3 feet in 15 minutes Show your work

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.