You have the option between two phone plans. Option A that charges $25 a month plus $0.10 per MB of data used, or Option B that charges $10 a month plus $0.20 per MB of data used. How much data do you have to use to make Option A the better option?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Measure of angles 31 (x+4) (3x+9) me