An electrician charges his customers an hourly rate plus a service fee of $30. the table shows the amount of money the electrician earned from his last four customers . what equation represents a customers charge ,c, for x hours of service

Nikolas calculated the volume of the prism. his work is shown below.

Me. i can't figure out this question. give an explanation too. .

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.