Which of these choices show a pair of equivalent expressions?
A.7^5/7 and (√ 7)^5 B.6^2/7 and (√ 6)^7
C.(4√ 81)^5 and 81^5/4 D.5^3/2and (√ 5)^3

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2