What is the sum of 2/5 and -4/5?

A) 4/5

B) 2/5

C) 2/5

D) 4/5

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

Which point does not lie on the graph k(x) = 8 -3 √x a. (-64, 12) b. (125, 3) c. (343, 1) d. (8, 5)