Find the area of a rectangle that has a length of 12 m and a width of 7 m

Solve the system of equations. y= 2x y= x^2 - 15

Which of the following expressions is equal to 2x^2+8

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°