If the foreign exchange rate between the U. S. dollar and the Japanese yen is 1:90, how many yen will you get for $15?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts