If a person's eye level is h meters above sea level and he can see d kilometers to the horizon, then d=3.6√ℎ. Suppose the person can see 13.5 kilometers to the horizon. What is the height of his eye level above sea level?

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Iwill give you ! what is the measure of ∠v ?

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?