Trying to determine the answer to 4xsquared where x=3

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Someone answer asap for ! 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.

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?