Question 11 (03.06 LC)
Choose the equation below that represents the line that passes through the point (7,-2) and has a slope of -3. (5 points)
O Y-7 = -3(x + 2)
O y + 2 = -3(x - 7)
Oy-2 = -3(x + 7)
O y + 7 = -3(x - 2)
Question 12

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.

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.