1. what is the correct reason for each step in the proof? prove: if 2(x2 + 5) = 60, then x = ±5. a. 2(x2 + 5) = 60 a. b. 2x2 + 10 = 60 b. c. 2x2 = 50 c. d. x2 = 25 d. e. x = ±5 e. 

If you answer 2+2 you will get over 80 points

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?