Three coins are flipped. The possible results are shown
in the tree diagram below.
What is P(2 heads, 1 tails)?

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.