Which equation is nonlinear? a) 4x = 12 b) 3y = 12 c) xy = 12 d) 3x - 6y = 12

Somone me i want to know what 18 hours out of 24 hours in a fraction

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?