1. If , then (n - 2)! = ?
2. At a local restaurant a customer can order a lunch special with the following choices: a salad or 2 kinds of soup and a sandwich with 4 types of meat, 2 types of bread, and 3 types of cheese. How many different combinations could be made for the lunch special?
3. What is the distance, in coordinate units, between the points S (-, 7) and T(-3, 9) in the standard (x, y) coordinate plane?
4. Which of the following expressions is equivalent to if all integers a, b, and c are positive?
5. The sum of twice a smaller number and three times a larger number is 49. The larger of the two numbers exceeds four times the smaller number by 7. If x is the smaller number, which equation below determines the correct value of x?
6. If x = 3T - 7 and y = 4 - T, which of the following expresses y in terms of x?
7. Which of the following is an equation of the line that passes through the points (2, 4) and (-2, -12) in the standard (x, y) coordinate plane?
8. If f(x) = 7x2 - 4x - 10, then f(-3) = ?
9. How much larger, in degrees, is the measure of one angle in a regular 8-sided polygon than the measure of one angle in a regular 6-sided polygon? (The measure of each interior angle of a regular n-sided polygon is .)
10. Which of the following expressions is equivalent to when x, y, and z are positive real numbers?
11. For all x > 10, ?
12. If the amplitude of a trigonometric function is the nonnegative difference between the maximum and minimum values of the function, which of the following trigonometric functions has an amplitude of 3?
13. If 90° < x < 180°, which of the following equals sin x, if ?
14. Which of the following is the factored form of the expression 12x2 - x - 6?
15. Harry has a bag containing jelly beans: 7 pink, 8 blue, and 9 orange. How many additional pink beans must be added to the 24 jelly beans already in the bag so that the probability of randomly drawing a pink jelly bean is ?