1. ab is tangent to circle o at b. the diagram is not drawn to scale. if ab = 6 and ao = 11.7, what is the length of the radius (r)? round the answer to the nearest tenth. a. 5.7. b. 8.9. c. 10.0. d. 13.1. if you have all the answers feel free to write them below. it is connections academy lesson 7: circles unit test unit 7

What is the range for 31,39,29,34,37,24,36,33,34,28

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 functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5