What is a term for math

Total cost to rent a row boat is $16 times the number of hours the boat is used write an equation to the model this situation if c = total cost and h = number of hours

Evaluate the expression 1/3^-2

The number of pages read varies directly as the number of minutes. If you can read 20 pages in 45 minutes, have many pages can you read in 18 minutes? (Pleas show how you got the answer)

Which equation models the height, y, x seconds after firing?

3x + 2y = 4 2x - y = 5 This system of equations

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.