Main floor tickets are $48, balcony tickets are $45, and mezzanine tickets are $34. on a particular night, sales totaled to $65,140. there were 381 more main floor tickets sold than balcony tickets combined. the number of balcony tickets sold is 328 more than 2 times the number of mezzanine tickets sold. how many of each type of ticket was sold?

Pls the last one and it has to be like number 6

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?

The spanish club held a car wash to make money. the equation y=5x represents the amount of money y club members made for washing x cars. identify the constant of proportionality. then explain what it represents in this situation