Kate had 0.52 grams of pepper. Then she used 0.4 grams of the pepper to make som scrambled eggs. How much pepper does Kate have left?
grams

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. complete parts (a) through (c) below. a. if 1 adult female is randomly selected, find the probability that her pulse rate is between 65 beats per minute and 79 beats per minute. the probability is? b. if 16 adult females are randomly selected, find the probability that they have pulse rates with a mean between 65 beats per minute and 79 beats per minute. the probability is? c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?