Part a: factor 2x2c2 + 3xc2 − 35c2. show your work. (4 points) part b: factor x2 + 20x + 100. show your work. (3 points) part c: factor x2 − 144. show your work. (3 points)

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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?