Solve the problem.In 2010 a certain county recovered 24% of its municipal wastes through recycling, up from 17% in 2005. Let P represent the percentage recycled and t the number of years since 2005. Find a linear function P that fits this data.
A. P(t) = 1.4t + 24
B. P(t) = 1.4t + 17
C. P(t) = -1.4t + 7
D. P(t) = 0.7t - 17
Answer: B
Mathematics
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A. m3 + 2m2 - 5m B. m2 + 2m - 5 C. m2 + 11m - 5 D. m2 - 2m + 5
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Decide whether the given set of numbers is a commutative group under the given operation.Whole numbers; multiplication
A. Yes B. No
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Write the numbers in order of increasing size.0.05, 0.02, 0.025, 0.052
A. 0.02, 0.025, 0.05, 0.052 B. 0.025, 0.052, 0.02, 0.05 C. 0.052, 0.025, 0.05, 0.02 D. 0.02, 0.05, 0.025, 0.052
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Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics