Complete this statement:
40x^4a^2+ 16x^2a^3= 8x^2a^2 ( )

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

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Two numbers have a sum of -19. one number is x. what expression represents the other number?