Ms. hartland bought x number of shirts for the new members of her chorus. the cost for x number of shirts, including $3.99 shipping, was $77.49. each shirt cost $12.25. there was no sales tax on this purchase. which equation could be used to find x? a. 3.99(x+12.25) =77.49b. 3.99x + 12.25 =77.49c. 12.25(x+3.99) = 77.49d. 12.25x+3.99= 77.49

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.

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

Find the measure of the angle indicated in bold