Let t and n be the tangent and normal lines to the ellipse x 2 + y 2 = 1 , < at any point p on the ellipse in the first quadrant. let xt and yt be the x- and y-intercepts of t and xn and yn be the intercepts of n. as p moves along the ellipse in the first quadrant (but not on the axes), what values can xt, yt, xn, and yn take on

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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.

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?