Simplify the expression. Assume that all variables are positive when they appear.
A. 8
B. ±4
C. -4
D. 16
Answer: C
Mathematics
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Write the complex number in rectangular form.8
A. 
+ 
i
B. 
+ 
i
C. 4 + 4
i
D. 4
+ 4i
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Find the actual sum.0.43 + (-4.286)
A. -3.856 B. -4.716 C. -4.616 D. 1.843
Mathematics
Find an equation of the line having the given slope and containing the given point. m = 9, (0, 6)
A. y = 9x + 11 B. y = 9x + 13 C. y = -9x + 4 D. y = 9x + 6
Mathematics
Determine whether the infinite geometric series converges or diverges. If it converges, find its sum.10 + 14 + 16 + 18 + ...
A. Converges; 29 B. Converges; ? C. Converges; 40 D. Diverges
Mathematics