A37-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece, and the third piece is two inches more than four times the length of the first piece. find the lengths of the pieces.

1/3(x-10)=-4 solve for x with steps

15 points ! ~ see if you know the answer to both you!

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.