Which of the following triangles are impossible to draw? choose all that apply.

a right scalene triangle
a triangle with sides of 3 inches, 4 inches, and 8 inches
a triangle with angles of 30°, 45°, and 115°
an obtuse equilateral triangle
a triangle with sides of 2 units, 3 units, and 4 units
a triangle with two right angles

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Me 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.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air