The box plot below shows the lifespan, in months, of laptop batteries manufactured by four companies: based on the data, which company manufactures batteries having the greatest variation in lifespan? company a company b company c company d

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).

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in