the expression -5t2+40t predicts the height, in meters, of an object t seconds after a person launches it into the air. using this expression, how many seconds will it take the object to hit the ground?

If the measure of xyz is 81 what is the measure of yz

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis