One root of a third degree polynomial function f(x) is -5 + 21. Which statement describes the number and nature of all roots for this function? •f(x) has two real roots and one imaginary root.
•f(x) has two imaginary roots and one real root.
•f(x) has three imaginary roots.
•f(x) has three real roots.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?