Write an equation to represent the bar diagram at tge right. Then write a real-world problem that can be represented by the equation and the diagram. The diagram shows: x-8 | x-8 | x-8. The equation is 3(a-12) = 9

Could somebody me with this radical simplification?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?