Luca has a 15% off discount card to use at the frozen yogurt place. If he buys $4.78 of frozen yogurt how much will he pay after the discount? please explain how you got your answer :)

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'