Solve by factoring.-10x2 + 10x + 200 = 0
A. {5, 4}
B. {5, -4}
C. {-5, -4}
D. {-5, 4}
Answer: B
Mathematics
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Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
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Solve the problem.A woman invested $2000 at 7% (or 0.07) for 8 years. How much did she have in her account at the end of 8 years? 
A. $112 B. $3120 C. $1120 D. $2240
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Answer the following statement(s) true (T) or false (F)
For the AP Statistics examination, students must understand experimental study design as well as survey study design.
Mathematics
Write a polynomial in two variables that describes the total area of the shaded region. Express the polynomial as the sum or difference of terms.
A. x2 + y2 B. xy + 2y2 C. 2xy + y2 D. 2xy + 2y2
Mathematics