Calculate the rise and run and find the slope ( 4,1)and(-2,3)

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

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?