The driver of a car traveling at 54ft/sec suddenly applies the brakes. the position of the car is s=54t-3t^2, t seconds afyer the driver applies the brakes. how many seconds after the driver applies the brakes does the car come to a stop

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation