Acell phone plan is shown at the right. the rates, which include an unlimited plan, are the same each for 7 months. the total cost for all 7 months is 180.39. let m represent the average number of minutes that exceeds 700 minutes each month.

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

5,678.321 what place value is the 1 in

#5 points possible: 3. total attempts: 5 using your calculator, find the range and standard deviation, round to two decimals places: the table below gives the number of hours spent watching tv last week by a sample of 24 children. 76 57 89 73 88 42 31 46 80 42 38 57 49 50 89 36 69 82 27 88 39 89 95 18 range = standard deviation =