The following is the frequency distribution for the speeds in miles per hour (mph) of a sample of 35 automobiles traveling on an interstate highway. The mean speed is: Speed (mph) Cumulative Frequency
50-54 2
55-59 6
60-64 11
65-69 21
70-74 30
75-79 35

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?