Donna, neil, and frank are siblings. donna is the oldest. frank’s age is 1/4 of donna’s age. right in equation to represent frank’s age f if diana‘s age is d years.

Which of these choices show a pair of equivalent expressions?

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?