A tugboat traveled -1.5 miles in 0.3 hours. What was its velocity?

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?

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1