Solve the system of equations using elimination 2x+y=3 and 3x-y=12

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

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.

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²