Isaac is working two summer jobs, making $8 per hour walking dogs and making $16 per hour tutoring. In a given week, he can work a maximum of 8 total hours and must earn no less than $80. If x
x represents the number of hours walking dogs and
y
y represents the number of hours tutoring, write and solve a system of inequalities graphically and determine one possible solution.

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter