Which of the following represents the zeros of f(x) = x3 − 4x2 − 5x + 20? (2 points) −4, −square root of 5 , −square root of 5 4, square root of 5 , −square root of 5 4, −square root of 5 , −square root of 5 −4, square root of 5 , square root of 5

15. jiovanni is looking in to two different companies that offer study guides for math exams. test prep 101 charges a $5 flat fee and an additional $0.25 per problem. math charges a $2 flat fee and an additional $0.50 per problem. how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {