There were 120 planes on an airfield. if 75% of the plane took off for a flight, how many planes took off?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2