What is 7, 8, 25 ill mark brainliest for correct answer

What is the product of the radical expression. (7-2square root) (8+2 square root)

Find the value of x for which line a is parallel to line b

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.