a pipe is 24 feet. it needs to be cut into pieces that are each 3/4 feet long. How many pieces can be made from the pipe? write answer in simplest form

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

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?