Satellite cell phone company bills on a monthly basis. each bill includes a $19.95 service fee for 500 minutes plus a $3.95 communication tax and $0.15 for each minute over 500 minutes. the following expression describes the cost of the cellphone service per month: 23.90 + 0.15m. if satellite cell phone lowers its service fee, how will the expression change?

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

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step-by-step explanation:

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x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

answer: can you give the

step-by-step explanation: