A survey of 86 persons was conducted at TCC, and it was found that 30 persons carried a cell phone, 13 persons carried a tablet computer, and 1 carried both a cell phone and a tablet.

The product of two negative rational numbers is always zero sometimes zero never zero

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?