This graph shows how the length of time a bicycle is rented is related to the rental cost. What is the rate of change shown in the graph? A. 2 hours/dollar
B. 4 hours/dollar
C. $4/hour
D. $2/hour

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319