Put x-y=3 and x+y=13 in slope intercept form.

**Pls put the steps ty**

Ineed with number 17 i don’t get it at alll

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?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7