Find the sum of 9a^2/a and 7a^2/a

Carrie started with 12 ounces of water when she begin to walk. when she was finish walking she had 2 1/4 ounces of water left. how much did she drank

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?