Determine the expression that represents the ratio of surface area of a cylinder to a sphere

In the surface area formula for cylinders which expressionrepresents the lateral area

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Hakeem puts $59 from each paycheck into his savings account. he gets paid every two weeks or 26 times per year. his goal is to save $1500 this year. will hakeem reach his goal? explain your answer using words, a model and equation.