1. which expression is equivalent to (–2)(a + 6)? (1 point)
–2a + 6
2a + 12
–2a – 12
–2a + 12
2. to which subsets of real numbers does the number –22 belong? choose all subsets that apply. (2 points)
whole numbers
rational numbers
integers
irrational numbers
natural numbers
3. what is an algebraic expression for the following word phrase: "6 times the difference of b and p? " (1 point)
6b – p
6(b – p)
6 – bp
6bp
4. what is the simplified form of the expression?

a fraction with a numerator of 5(14 – 2) squared and a denominator of 2. (1 point)
60
30
72
360
5. evaluate u + xy, if u = 18, x = 10, and y = 8. (1 point)
188
36
98
224
essay

6. a square field has an area of 479 ft2. what is the approximate length of a side of the field? give your answer to the nearest foot. explain your response. (2 points)

7. workpad

note: remember to show all of the steps that you use to solve the problem.

simplify the expression (7 + 5) + 4 • 13 – 2. (1 point)