Pls help I’m stuck and no one knows

Which of the following is the shape of a cross section of the figure shown below

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?