For the inverse variation equation xy = k, what is the value of x when y = 4 and k = 7? 3 28

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.