Y=−2x+4 missing value ( - , -2)

30 points

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

100 points, hi, i’m not sure how to get the equation from the graph and table.