The prisms are similar. Find the missing width w and height h.

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

Explain how you can show five less than a number using algebraic expression

Will positive numbers always have a higher absolute value than negative numbers?