A rectangle has side lengths (7.5a-1.5b) cm, (3.5a+4.5c) cm. and (6.5c+2a) cm, and (8.5b-6.5c). which expression represents the perimeter, in centimeters, of the rectangle?​

Could answer every question with steps

Describe what moves you could use to create the transformation of the original image shown at right

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?