What is the algebraic expression for the following word phrase: the sum of 3 and 4x

17 in long 1.3 ft wide and 8in high what is the volume

Explain how you can use the associative property to evaluate (7x50)x4.

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! : )