HELP
What is m∠CDE?

A circle with center point A and four chords BE, ED, DC, CB joins to make a trapezoid. The angle at BED is given as 62 degree and also arc angles BE and BC measuring 90 degree and 64 degree respectively
A. 45
B. 62
C. 64
D. 77

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?

Charlie tosses five coins.what is the probability that all five coins will land tails up.