Mac is 5 feet tall and casts a 4 foot 6 inch shadow. at the same time, a nearby tree casts a 20 foot shadow.

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?