Simplify the following:
A) 3² x 3²
B) 7 x 7⁴
C) 10⁹ ÷ 10⁷
D) 5⁸ ÷ 5
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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

Combine like terms to make a simpler expression 3z+z

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.