A phone company charges a base fee of $12 per month plus an additional charge per minute. The monthly phone cost C can be
represented by this equation: C = 12 + a. m, where a is the additional
charge per minute, and m is the number of minutes used,
Which equation can be used to find the number of minutes a
customer used if we know o and C?
(C - 12)
A m=
B. m = (C - 12) - 0
C. m = C - 120
Dm 9-12

d? maybe

step-by-step explanation:

i believe the answer is d.

hope it you! : d

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.