1. 2.1 Getting Started with Expressions & 2.2 Modeling General Situations
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7.) 10
8.) a. 4 b. 6 c. 1 d. -4 e. The ending number is double the starting number.
9.) a. 4 b. 5 c. 9 d. 0 e. The ending number is 2 more than the starting number.
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6.) a. 5 b. 16 c. 110 d. r + 3
7.) a. II b. III c. I d. IV
8.) Travis forgot to use parentheses; 10(x-3) – 13
9.) D
10.) a. lw b. 2l + 2w