Mr. ferro drove for 3.5 hours at 60 miles per hour, then for a certain time at 45 miles per hour. he traveled 300 miles in all. how much time did mr. ferro spend driving at 45 miles per hour? vicente decided to let h represent the number of hours mr. ferro spent driving at 45 miles per hour. which problem-solving step was this? a. come to an answer. b. gather your resources. c. check your answer and present the solution. d. understand the problem.

step-by-step explanation:

where is the questions

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,