Acar travels around a circular track. the inside wheels follow along the line of the inner circle, and the outer wheels follow along the line of the larger circle. the radius of the larger circle is 25 ft, and the radius of the smaller circle is 21 ft. determine how much farther the outer wheels would travel than the inner wheels after one revolution.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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 my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?