Which statement shows how the product of (x + 3)^2 demonstrates the closure property of multiplication? A. x2 + 9 may or may not be a polynomial

B. x2 + 6x + 9 may or may not be a polynomial

C. x2 + 9 is a polynomial

D. x2 + 6x + 9 is a polynomial

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was