You have a cylinder with a height of 8 centimeters and a radius of 3 centimeters. a. Find the surface area of the cylinder. (3 points)
b. If the radius remains the same but you double the height of the cylinder, will the surface area also double? (3 points)
c. If the height remains the same but you double the radius, will the surface area also double? (3 points)

Can someone me with the property questions for 12 13 and 14 plz

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.

What is the value of f(x) = 2.2 for f(-2)?