There are 210 7th graders at King Middle School. At the end of the first semester, a random sample of the report cards for 30 King 7th graders was examined, and 8 of the students in the sample had an A in math. Based on the results from the sample, about how many 7th graders at King Middle School would be expected to have an A in math on their first semester report cards?

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Need 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 is the measure of angle x? answer