Yvaries directly as x and y = 10 when x =2.5 find y if x y = 80 cm.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so