Evaluate - 8z - 5 when z=5

How do I graph y=1000-65x?

Robin cleans 72 rooms in 6 days. How many rooms can robin clean in 9 days?

Ignore this i no longer have a question but am unable to delete

Evaluate 2/3b-5a when a=-2 and b=3

6x - 3 (x + 8) = 9 What is the value of x

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.