Afather promises to pay his son $5.00 for each correct answer he obtains in his math homework. for each incorrect answer, the son must pay his father $8.00. the boy answered twenty-six math questions. at the end, no money was exchanged.

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.

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?