16. Simplify the following:
-2 – (7 + 10)
8 – 11 – 10
-2 – 7 + 3
17. Simplify the following:
4x – 2 – 3x
4x – (2 – 3x)
18. Evaluate the following:
(-10 ÷ -2)(-2)
10 – 3 • 7 – 4(-2) + 3
19. Identify each as either prime or composite.
89
147
159
1 • 33
20. What is the prime factorization of the following:
250
1,251
99
21. Find the LCM for the following:
2 and 3
3, 4, and 5
24 and 36
22. List all the factors of each of the following:
24
77
50
64

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