Set up an integral for the volume with radi br and aR a=3 b=8

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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?