Kyle has a rock collection. on monday he found 16 new rocks. on tuesday he give 9 rocks to his friends. after giving away the rocks, kyle had 122 rocks left in his collection. how many rocks did kyle has to start with?

Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4

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.

Subject: geometryneed with 6 and 7