Which is the value of this expression {jk^-2/j-1k-3}3, when j=-2 and k=-1?

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

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.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?