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Mathematics 9 Online
OpenStudy (anonymous):

4 1.Simplify the expression 5 A, 20 B, 1,024 C, 125 D, 625 2 2. Simplify the expression (20-14)divided 13 A.1 B.3 C.17. D. 0.5 3. Evaluate the following expesstion (7+5b)+1 , if b is 3. A.27 B.23 C.0 D.24 4. Suppose you make $12 an hr as a life guard at the community pool during the summer Let H represent the number of hrs you work in a week write an expression that represent the amount of money you earn in a week and evaluate it for h=15 A.12h; $180 B. 12+ h;$27 C. 7(12h); $1,260 D. 5(12h;$900

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