Ricardo drove 15 miles in 20 minutes. What was his average rate in miles per hour pls help for math test only answer if you are sure

130 seconds in progress hmmm

45 mph

Step-by-step explanation:

20+20+20=60 minutes (1 hour)

15+15+15= 45 miles

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,