Solve the problem. Use a Venn diagram to find your answer.The subsets A, B, and C of the universe U satisfy the following conditions:n(A) = 85n(B) = 93n(C) = 87n(A ? B) = 17n(A ? C) = 19n(B ? C) = 13n(A ? B ? C) = 11n(
? 
? 
) = 171Find n(U).
A. 227
B. 312
C. 408
D. 398
Answer: D
Mathematics
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Solve. 5(x + 3) = 10x + 9
A. 0.8 B. -1.2 C. -0.8 D. 1.2
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Add or subtract as indicated.
+ 
A. 
B. 
C. - 
D. 
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Solve.- 
x2 + 
x + 3 = -12
A. -6, 5 B. 6, 5 C. -6, -5 D. 6, -5
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Round the whole number to the given place.26,998 to the nearest ten
A. 26,990 B. 26,000 C. 27,000 D. 26,900
Mathematics