Amonthly cell phone plan cost $57.50 per month plus $0.11 for each text message used. if an individual has a budget of at most $85 to spend on his/her phone bill. what is the maximum number of text messages that can be used in one month? write an inequality and solve.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?