Stefan drove to the ferry office and back. The trip there took three hours and the trip
back took two hours. He averaged 19.2
mph faster on the return trip than on the
outbound trip. Find Stefan's average
speed on the outbound trip

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Is (0,0) a to ? ys x2 - 4 y> 2x-1

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.