Question

Which expression is equivalent to (–2)(a + 6)?
(1 point)
Responses

–2a + 6
–2 a + 6

2a + 12
2 a + 12

–2a – 12
–2 a – 12

–2a + 12
–2 a + 12
Answer
To which subsets of real numbers does the number –22 belong? Choose all subsets that apply.
(1 point)
Responses

whole numbers
whole numbers

rational numbers
rational numbers

integers
integers

irrational numbers
irrational numbers

natural numbers
natural numbers
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Answer
What is an algebraic expression for the following word phrase: "6 times the difference of b and p?"
(1 point)
Responses

6b – p
6 b – p

6(b – p)
6( b – p )

6 – bp
6 – bp

6bp
Answer
What is the simplified form of the expression?

Start Fraction 5 left-parenthesis 14 minus 2 right-parenthesis squared over 2 End Fraction
(1 point)
Responses

60
60

30
30

72
72

360
Answer
Evaluate u + xy, if u = 18, x = 10, and y = 8.
(1 point)
Responses

188
188

36
36

98
98

224
Answer
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.
Answer
Enter your answer and show all the steps that you use to solve this problem in the space provided.

Simplify the expression (7+5)+4⋅13−2.

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