The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels. one day, she counts 21 seats and 30 wheels. how many of each type of cycle are there?

choose an equation in slope-intercept form that expresses the fact the number of bicycles plus the number of unicycles is 1.

a. u=-b+21
b. -u=b+21
c. 21/6=u
d. b+u=21
e. b=u+21

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.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3