I need help with 9-11
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Mathematics, 21.06.2019 18:40
Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.
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Mathematics, 21.06.2019 20:30
Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14
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Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)
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Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310
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