Math Algebra 6.2.2.1

7. Which of the following is equivalent to 3(2 + 5) + (2 + 5)?
A. (3 × 7) + 7
B. 2(3 + 5) + 7
C. 5(3 + 2) + (5 + 2)
D. 2(5 + 3) + (2 + 5)
8. Which of the following is NOT equal to (3 × 2) × 4 + 5?
A. (2 × 3) × 4 + 5
B. 5 + 3 × (2 × 4)
C. (3 × 2) × 9
D. (2 × 3 × 4) + 5
9. Jake makes 8 dollars an hour and works for 25 hours. How much more money could he make if he made 25 dollars an hour for 8 hours?
A. 0 dollars
B. 8 dollars
C. 25 dollars
D. 200 dollars
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