In an all boys school, the heights of the student body are normally distributed with a mean of 71 inches and a standard deviation of 2 inches. What percentage of the
students are between 66 and 68 inches tall, to the nearest tenth?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

If 20% of a number is 35, what is 50% of that number?