If ZA and ZB are supplementary and m A =166º, find m2B,

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

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

The measure of an angle is 117°. what is the measure of a supplementary angle?