If in this picture, the biggest pyramid has a square base of 480ft by 480 ft, and it stands 450 ft tall, how many of the given groups (in the diagram) could fit inside of the pyramid?

HINT: from the picture it tells us that the groups' volume is 40ft3

V = 1/3*B*h

The pyramids volume = ___ft3

Therefore, about groups would fit inside the pyramid.

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

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

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.