| Select all expressions that could be equivalent to x2 + bx - 36 where bis negative. (x + 3)(2 – 12)
b
с
(x - 2)(x+18)
(x – 13)(x – 3)
(2 + 4)(2 +9)
(2 – 9)(x+4)
d
e

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.