Solve.
= 0
A. {-7}
B. {7, -7}
C. {7}
D. ?
Answer: C
Mathematics
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Graph the solution set of the system of linear inequalities and label the vertices (if any) of the solution set.
A. 
B. 
C. 
D. 
Mathematics
Let E and F be events with Pr(E) = 0.4, Pr(F) = 0.6, and Pr(E ? F) = 0.8. Find Pr(E' ? F).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the system by the substitution method.x2 + y2 = 85x - y = 1
A. (-6, 7), (-7, 6) B. (6, -7), (7, -6) C. (6, 7), (7, 6) D. (-6, -7), (7, 6)
Mathematics
Match each description below with the letter of the correct number set.
A. natural B. whole C. integer
Mathematics