Solve the problem.If half a number is added to 9, the result is greater than or equal to -9. Find all such numbers.
A. x ? 0
B. x ? -81
C. x ? -36
D. x > -36
Answer: C
Mathematics
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Calculate the requested distance.The distance from the point S(7, 7, -6) to the plane 2x + 11y + 10z = 9
A. 
B. 
C. 
D. 
Mathematics
Simplify.5 - 12 + 3
A. -10 B. -31 C. -4 D. -180
Mathematics
Find the sum.-5.2 + (-6.5)
A. 1.3 B. 11.7 C. -1.3 D. -11.7
Mathematics
Find the indicated one-sided limit.
?
?
A. 0 B. 1 C. 2 D. -1 E. -2
Mathematics