A motorboat maintained a constant speed of 12 miles per hour relative to the water is going 35 miles upstream and then returning. The total time for the trip was 6.0 hours. Use this information to find the speed of the current.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?