Krystal takes out a bank loan of $11,500 at 3.8% interest compounded annually. How much interest, in dollars, will she owe after 3 years? Round your answer to the nearest hundredth.

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

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.

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?