The formula v=√2.5r models the maximum safe speed, v, in miles per hour, at which a car can travel on a curved road with radius of curvature r, in feet. a highway crew measures the radius of curvature at an exit ramp on a highway as 690 feet. what is the maximum safe speed? for this problem, round your answer down to the nearest whole number.

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Explain how you can use the associative property to evaluate (7x50)x4.

Needmax 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.