Fr points dont worry ill give more

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

What is the value of the expression below? (81^2)^1/8

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?