To make cheesecake you need about two and a half pounds of cream cheese how many pounds of cream cheese will you need to make two cheesecakes

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Ineed i been stuck on this question since yesterday

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.