Purple paint is made with a 16: 3: 1 ratio of white paint: blue paint: red paint. how much white paint, in gallons, is needed in order to make one gallon of purple paint? express your answer as a common fraction.

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.