fill in the blanks
solve using the elimination method

How can we find the measure of an exterior angle if we know the measurement of an interior angle

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.

8.74 rounded to the nearest whole number