What is the least common factor between 9 8 and 7

Use set buikder notation to represent the following set: {, -2, -1, 0}

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.

State one method by which you can recognize a perfect square trinomial.