Intersecting lines that form a right angle are defined as a. parallel b. skew c. planes d. perpendicular

True or false? a circle could be circumscribed about the quadrilateral below.

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two