Helpp!! The head of a carriage bolt is circular, as shown. The head of this bolt has a diameter of 20 millimeters.
Which measurement is closest to the area of the head of this bolt in square millimeters?

A. 1,256 square millimeters
B. 63 square millimeters
C. 314 square millimeters
D. 31 square millimeters

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

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.

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.