A telephone company offers two different types of billing. The first choice is to pay $10.00 per month plus $0.09 per MB of data. The second choice is to pay $16.00 per month plus $0.07 per MB of data. Part A: Write a system of equations to model the situation the total cost for one month with each company.

Part B: How many MB of data would you have to use in one month in order for both plans to cost the same amount? Explain how you determined your answer.

Which expression shows the sum of the polynomials with like terms grouped together

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.