In 1990 an egg cost 2c less than in 1991. In 1992 an egg cost 4c more than in 1991. The cost of 11 eggs in 1990 was the same as the cost of 8 eggs in 1992. Find the cost of an egg in 1991. (Hint: let the 1991 cost of an egg be n cents. Express the 1990 and 1992 costs in terms of n)

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.

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?