Each variable that doesn’t have a number in front of it is an invisible 1. Since y, y, and y are like terms because they have the same exponent and variable. Because they are like terms you can add and subtract them. So 1y+1y+1y= 3y
It is hard to see the picture.
Answer:
h(2)=-18
Step-by-step explanation:

Answer:
They will take 4 hours to do 112 belly flops!