Mrs. hoffnagle's class is practicing skip counting by 30's . the first student said 30, the second said 60, and the third said 90. how many students counted if they ended at the number 420?

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Cor d? ? 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.