Best Publishing Company Ever pays its authors really well. For the first 10,000 copies of a book sold, it pays the author $1 per book royalty on the sales. For every copy over 10,000 but less than 50,000, it pays
$1.25 royalty. Once a book sells 50,000 copies sold, they pay $2 royalty. Write a function f(x) that relates
the royalties paid to the number of copies of a book sold?

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Needmax 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.

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000