Each week Mr. Jones goes to the grocery store. Mr. Jones estimates that he will spend $120 when goes to the grocery store this week. He actually spends $94. What is the percent error?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

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.

State if the two triangles are congruent. if they are, state how you know?