If a semi-circle is rotated about the y-axis as shown below, what three-dimensional figure would be formed? this would make a sphere, correct?

If a fair 6 sided cube is rolled 60 times, theoretically how many times should you expect to roll a 4 or a 5?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement