The sportswear department had net sales of $550,000 last year, with markdowns of $33,000. This year plan sales are $575,000. If the buyer is planning the same percent of markdowns this year as last year, what is the plan markdown dollars
for this year?

Now 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.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Prove that 16^4-2^13-4^5 is divisible by 11.