Name _____________________ Date:_____________________
6. Simplify the following expressions:
8. Which properties are illustrated by the following three expressions?
 1 × 79 = 79
 b × ( c × d ) = ( b × c ) × d
 6 + n + o = n + o + 6
 Identity property of addition, Identity property of multiplication and Commutative property of addition
 Associative property of multiplication, Distributive property and Associative property of addition
 Identity property of multiplication, Associative property of multiplication and Commutative property of addition
 Identity property of addition, Associative property of addition and Identity property of multiplication
C
9. Solve the following equations for x:
10. Solve the following inequalities. Then graph a) on the number line
11. Convert the following numbers into scientific notation:
12. Add the following polynomials:
13. Multiply the following polynomials and simplify:
15. Find the greatest common factor of the following terms:
16. Factor the following polynomials:
17. For question 16, exercises b) and c), solve for x:
18. You have 5 pants, 4 shirts, and 3 shoes. How many different ways can you dress?
19. Use the following data to construct a box and whiskers plot:

5, 7, 30, 10, 20, 33, 26, 4, 28
20. Suppose you toss a coin and spin a spinner numbered 1 through 18
21. Solve and graph the following systems of linear equations:
22. Write the following fractions in simplest form:

22x^{6}y^{7}z^{4}
44x^{7}y^{9}z^{2}

x^{3}  4x^{2}  21x
x^{4}(x  7)
23. Solve the equation below in two different ways. First, solve it using the
quadratic formula. Secondly, solve it by completing the square.
24. Convert the following repeating decimal into a fraction:
25. Solve the following equation:

9
x
+ 20 = 11x
 20 x = 4
26. Rationalize the denominator of each fraction below:
27. Use a trigonometric ratio to find x:
x = 39.84 cm
29. After you leave your house, you walk 3 blocks east and 4 blocks south. How far are you from your house?
30. Each side of a square is lengthened by 4 m. This makes the area of the square 225m
^{2}. What is the original length of a side of the square?
.