Courtney knows that there are about 2.2 pounds in every kilogram. If she has a medicine ball that weighs 3.6 kilograms, about how many pounds does it weigh?
2 pounds
o6 pounds
8 pounds
10 pounds

The volume of a cube is 8 in to the 3rd power. how long is each side?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

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?