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whats the square root of 81

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

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.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?