Suppose the hypotenuse of a right triangle is 21 in. and one of the legs is 15 in. Use the Pythagorean Theorem to find the measure of the triangle’s other leg

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

Which of the choices shown could be used to prove that aacp=abcp ?

Sketch one cycle if the cosine function y=2cos2theta