Pentagon ABCDE is reflected about side CD. Which of the following statements are true? Select all that apply A: side CD is parallel to EE'
B: Vertex C and Vertex C' are located at the same point
C: Vertex C is the midpoint of AA'
D: the length of AB is equal to the length A'B'

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part