70434 ÷ 78 how do this with long division

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?

One integer is 5 more than another. their product is 104. find the integers

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?