An envelope is 6 cm longer than it is wide. The area is 72 cm squared, find the length and the width.

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)