Which of the objects shown below could be sliced to create square cross-sections?

cone

sphere

cylinder

cube

triangular prism

right pyramid

How many solutions does the nonlinear system of equations graphed below have?

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.

Simplify the algebraic expression 8y-2(y+4)