Kevin gives roping lessons at the Sundown Corral. A 3.5-hour lesson costs $52.50. The cost of a lesson is proportional to the duration, in hours, of the lesson. What is the constant of proportionality in terms of dollars per hour? A. 25 B. 10 C. 15 D. 20

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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.

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder