The water level in ricky lake dropped -7/16 of an inch in the last 3 years. how much did the water level drop in one year?

Asphere has a diameter of 10 in. what is the volume of the sphere?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)