Can someone please help with this thank u!! And btw it’s pemdas and gems

How do you summarize data in a two-way frequency table?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Math each whole number with a rational,exponential expression