Given f(x) = x^3 - 2x^2 - x + 2, the roots of f(x) are

Find the sum of the following series. round to the nearest hundredth if necessary.

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

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