We're do I find a rate of change

A city's population is increasing at a rate of 5% each year. Which type of model describes this situation? A. none of these B. quadratic C. exponential D. linear

Gavin had 20 minutes to do a three-problem quiz. He spent 9 9/10 minutes on question A and 3 3/5 minutes on question B. How much time did he have left for question C?

How much is 4000 in Mexico

7 3/5 in decimal form if possible.

A car can travel 53 1/2 miles in 40 minutes. Determine the miles per hour that the car is driving.

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.