A family-size box of cereal contains more cereal and costs more than the regular-size box of cereal.  What is the cost per ounce of the family-size box of cereal?

(1)The family-size box of cereal contains 10 ounces more than the regular-size box of cereal.
(2)The family-size box of cereal costs $5.40.

The table above shows the cancellation fee schedule that a travel agency Uses to determine the fee charged to a tourist who cancelsa trip prior to departure. If a tourist canceled a trip with a package price of $1,700 and a departure date of September 4, on what day was the trip canceled?

(1)The cancellation fee was $595.

(2)If the trip had been canceled one day later, the cancellation fee would have been $255 more.

If x + y + z > 0, is z > 1 ?

(1) z > x + y + 1

(2) x + y + 1 < 0

Is the perimeter of square S greater than the perimeter of equilateral triangle T ?

(1) The ratio of the length of a side of S to the length of a side of T is 4:5.

(2) The sum of the lengths of a side of S and a side of T is 18.

Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets. How many of the businesses did not report a net profit nor invest in foreign markets last year?

(1) Last year 12 of the 30 businesses reported a net profit and had investments in foreign markets.

(2) Last year 24 of the 30 businesses reported a net profit or invested in foreign markets, or both.

If xy > 0, does (x - 1)(y - 1) = 1 ?

(1) x + y = xy

(2) x = y

Michael arranged all his books in a bookcase with 10 books on each shelf and no books left over. After Michael acquired 10 additional books, he arranged all his books in a new bookcase with 12 books on each shelf and no books left over. How many books did Michael have before he acquired the 10 additional books?

(1) Before Michael acquired the 10 additional books, he had fewer than 96 books.

(2) Before Michael acquired the 10 additional books, he had more than 24 books.

Is x² greater than x ?

(1) x² is greater than 1.

(2) x is greater than -1.

What is the value of xy ?

(1) x + y = 10

(2) x - y = 6

If m and n are nonzero integers, is mⁿ an integer?

(1) n^m is positive.

(2) n^m is an integer