If a solid has been generated by rotating a plane figure around an axis, will the solid always have cross-sections that are circles? Will it always have cross-sections that are not circles? Explain

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

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

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong