a women is 45 years old, and her daughter is 15 years old. How many years will it be before the womans age is just twice as her duaghters?

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?