Arepairman charged $93.06. the price included 2 hours of labor and a $40 service charge.

how much does the repairman charge per hour for labor?
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Ataxi cab charges $1.75 for the flat fee and $0.25 for each time. write an in equality to determine how many miles eddie can travel if he has $15 to spend.

Find the value of x for which line a is parallel to line b

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.