(a + b)3 = (a + b) ∙ (a + b)2 i dont understand this at all

Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal )

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

Match each inequality to the number line that represents its solution