Carla ran in a race. The graphs shows which mile she finished at the end of each hour. What does the rate of change tell us?

options:

Carla ran at a rate of 2 miles per hour.

Carla ran at a rate of 3 miles per hour.

Carla ran at a rate of 6 miles per hour.

Carla ran at a rate of 8 miles per hour.

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?