All sides are congruent in quadrilateral ABCD below.
How would this quadrilateral be best classified, and what is the measure of ZB?
kite; m2B-70°
kité, m2B - 110
rhombus; m2B - 70°
rhombus, m_B - 110°

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap