Max bought two deli sandwich rolls measuring 18 inches and 30 inches. he wants them to be cut into equal sections that are as long as possible. into what lengths should the rolls be cut? how many sections will there be in all?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.