Q1. In your Economics 101 class, you have scores of 69, 81, 86, and 88 on the rst four of ve tests. To get a grade of B, the average of the rst ve test scores must be greater than or equal to 80 and less than 90. Solve an inequality to nd the least score you can get on the last test and still earn a B

Q2. Your local electric company charges 8.5 cents per kilowatt-hour of electricity used each month, in addition to a at $15.75 customer charge each month. Your electric bills last year ranged from $70 up to $225. Over what range did your usage of electricity vary?

Q3.Solve the following inequality: |4x|+|5| 1. Express your answer in interval notation

Q4. Plot the following points on the axes below. (1,1),(2,4),(4,4),(4,0),(0,2),(3,0) GRAPH

Q5.Find the distance between the points (4,3) and (6,1)