What is simplify x-2y=-2

Mark is planning to plant grass in his backyard. His yard is 21 ft. long and 12 ft. wide. How much grass does he need?

What is the range of f (x) = (3/4) ^x - 4?

A store is having a sale where everything is discounted and the sales price if a customer buys an item that normally sells for $365

If f (x) = x-1/3 and g (x) = 3x+1, what is (fºg) (x) ?

Solve Each Equation 0.85x = 200 and 7/6x = 140

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.