A bowling alley manager is recording the genders of bowlers at his lanes. He decides to record the genders of the bowlers in every third lane. Which type of study is this?
population
sample
survey
census

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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.

Tobias gold sells computers at the office center he's guaranteed a minimum salary of $1,959 per month plus 6.3% commission on total sales how much in total sales is he