9. Which of the following is a property of all rectangles? A four congruent sides
C diagonals are perpendicular
B diagonals bisect the angles D four right angles

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16