All of the following are equivalent to 2(2a + b) + 8, except . 4 a + 2 b + 8
2(2 a + b + 4)
4( a + b + 2)
4 a + 2( b + 4)

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

The measure of an angle is 117°. what is the measure of a supplementary angle?

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle