Michelle biked 21 miles in 4 hours. Part A: What is Michelle's average speed in miles per hour?

Michelle’s average speed it __ miles per hour.

Part B: At the same rate, how many hours will it take Michelle to bike 42 miles?

It will take Michelle __ hours to bike 42 miles

kkkll

step-by-step explanation:

kljlklj

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this