Simplify the algebraic expression.7.81x - 12.84x
A. -5.03x2
B. -5.03x
C. 20.65x
D. 5.03x
Answer: B
Mathematics
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A. 20 B. 30 C. 50 D. 55
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A. -1 B. -? C. 0 D. ?
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Find the range of the quadratic function in interval notation.f(x) = -2x2 - 4x
A. (-?, 
B. (-?, 
C. (-?, 
D. (-?, 
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Use percents, percent equations, and/or percent proportions to solve the application.Ms. Robert bought a house five years ago for $220,000. Today it is valued at $210,000. Find the percent decrease in value of the house.
A. 4.8% B. 4.5% C. 2100% D. 95.5%
Mathematics