Cell phone plan A charges $75.00 each month and $0.05 per text Cell phone plan B charges $109 dollars and $0.00 per text Write an equation that could be used to determine how many
texts will the two plans charge the same?

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

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: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees