The measure of QR is 15 cm, and the measure of Q'R' is 52.5 cm. Which scale factor was used for the dilation? A. B. 7 C. 2 D.

Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

You can find the constant of proportionality by finding the ratio of