Which of the following are correct steps in finding the centroid of triangle CDE? Check all that apply. Construct an altitude through C. Construct a median through E. Construct a perpendicular bisector to side DE. Construct a line perpendicular to side CE through D. Bisect side CD.

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.