In boot camp, a cadet must use a rope swing to cross an obstacle without
falling into the water hazard below. unfortunately, they miss the platform on
the other side and swing back to where they started. if it takes the cadet 5.5
seconds to swing from one side of the obstacle to the other and back, how
long is the rope swing? use the formula:
t = 27,165

a. 2.9 meters
b. 7.5 meters
c. 14.6 meters
d. 4.7 meters

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Which number line represents the solution set for the inequality - x 24?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.