X-time
linear word problems
cost
speedy printing charges $23 for 200 deluxe business cards and $35 for 500 deluxe business
cards. assume that the cost is a linear function of the number of cards printed.
a) find a linear formula for the cost as a function of the number of cards printed.
b) what information does the y-intercept convey?
c) using the function from part a, determine the cost for printing 700 cards.

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.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Determine domain and range, largest open interval, and intervals which function is continuous.