At which x-value does the cosine function attain a maximum value? x = 0
x = StartFraction pi Over 2 EndFraction
x = 1
x = StartFraction 3 pi Over 2 EndFraction

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Now 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.