Nagma runs around a rectangular park 180m long and 120m wide at the rate of 7.5km/hr. In how much time will she complete five rounds? ​

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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?

What is the period of the sinusoidal function ?