7th grade math help please

Question

anonymous · Answer

A diver descended at a constant rate of 16.92 feet every 3 minutes. Which of the following is true? After one minute, the diver was at -8.46 feet. After one minute, the diver was at 8.46 feet. After one minute, the diver was at 5.64 feet. After one minute, the diver was at -5.64 feet.

anonymous · Answer

it is -5.64

anonymous · Answer

The altitude of an airplane is decreasing at a rate of 44 feet per second. What is the change in altitude of the airplane over a period of 39 seconds?

    83 feet
    -83 feet
    -1,716 feet
    1,716 feet

anonymous · Answer

thanks this is my other one
The altitude of an airplane is decreasing at a rate of 44 feet per second. What is the change in altitude of the airplane over a period of 39 seconds?

    83 feet
    -83 feet
    -1,716 feet
    1,716 feet