1  Elephants in a zoo require approximately 150 pounds of food per day. Elephants in the wild require approximately 315 pounds of food per day.
Column A: The amount of food required by three zoo elephants for one week
Column B: The amount of food required by five wild elephants for two days

2  S = {yz, x}. The mean of set S is 3y. What is the unknown member of the set, x, in terms of y and z?

3  Colored marbles are drawn at random from a bag without replacing any. In the bag are four clear marbles and seven black marbles.
Column A: The probability of drawing two clear marbles
Column B: The probability of drawing three black marbles

4  (0.00020/0.00001)·(0.030/0.002)

5  Column A: (7!)(3!) / (5!)(2!)
Column B: 5!

6  Column A: (√7 + 13) (√7  13)
Column B:  (13 + √7) (13 √7)

7  The sum of the digits of a certain twodigit number is 7. Reversing its digits creates a second number which is larger than the first by 9. The first number is
I. 43
II. 25
III. 34

8  Column A: The area of a circle with diameter 26
Column B: The area between two concentric circles with radii 15 and 6

9  An electronics store had a 10% off sale. Items that did not sell were marked down another 10%, and then what was left was marked down another 15% for clearance. A certain item’s original price before the sales was $150. What was its clearance price?

10  (1)^{x} = 1 and x is positive integer ≠ 0
Column A: 3
Column B: x
