Alex had brochures printed for their new business venture. Originally he ordered 3 boxes of black-and-white brochures and 4 boxes of color brochures, which cost a total of $145. After those ran out, he spent $117 on 3 boxes of black-and-white brochures and 3 boxes of color brochures. Given that the prices didn't change, what was the price of each type of brochure? If you put it in an ordered pair please do it as follows: (Black/White Copies, Color Copies)

Which of the following is the true for f(x) = 5cos

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.

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )