Arectangle is twice as long as it is wide. if its area is 50 sq. yd., find the length.

10 yd.
25 yd.
33 1/3 yd.

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.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The graph represents f(x)=[x]+3. what is f(-2.2)?