Which of the following is a counterexample to the following statement? Subtraction of whole numbers is commutative.

A. (4+3) + x = (3+4) + x

b. Ab=bA

C. R+ (s+t) = (r+s) + t

D. N+0=n

Is a positive integer raised to a negative power always positive

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

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