Look at triangle pqr:

a right triangle pqr is shown with the right angle at q. the length of side pq is labeled as 36 cm, and the length of side qr is labeled as 48 cm.

what is the length (in centimeters) of side pr of the triangle?

36 centimeters
42 centimeters
60 centimeters
84 centimeters

Which expresions are equivalent to the one below? check all that apply. 5x

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)