An accepted relationship between stopping distance, d in feet, and the speed of a car, v in mph, is d(v) = 1.2 v + 0.04 v^2 on dry, level concrete. (a) How many feet will it take a car traveling 40 mph to stop on dry, level concrete? (b) If an accident occurs 200 feet ahead, what is the maximum speed at which one can travel to avoid being involved in the accident?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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.

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest