Solve.5(2x - 1) = 20
A. 
B. 
C. 
D. 
Answer: D
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Which of the following is a definition of concave figures? ?
A. ?All line segments connecting two vertices in the figure lie outside the figure. B. ?At least one line segment connecting two vertices in the figure lie outside the figure. C. ?All line segments connecting two vertices in the figure lie inside the figure. D. ?All line segments connecting two vertices in the figure lie both inside and outside the figure. E. ?None of the above.
Solve the system by the elimination method or a combination of the elimination and substitution methods.x2 + y2 = 104x2 - y2 = 96
A. {(10, 2), (2, 10), (-10, -2), (-2, -10)} B. {(10, -2), (10, 2)} C. {(-10, -2), (-2, -10)} D. {(10, 2), (-10, 2), (10, -2), (-10, -2)}
Write the percent as a fraction or mixed number in simplest form.9
%
A. 
B. 925
C. 4
D. 92
Evaluate the algebraic expression for the given value(s).7x + y, given x = 5, y = 3
A. 56 B. 38 C. 32 D. 15