Me with this question on the botton

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Complete the steps to find 4.830 ÷ 5