Divide and simplify to the form a + bi.
A. 
+ 
i
B. - 
+ 
i
C. - 
+ 
i
D. 
+ 
i
Answer: D
Mathematics
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Match the given equation with one of the graphs.x2 = -2y
A. 
B. 
C. 
D. 
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A man uses a 11-foot bar to lift a 108-pound tire. He places a rock 2 feet from the tire to act as the fulcrum. How much force must he exert to lift the tire?
A. 108 lb B. 12 lb C. 24 lb D. 9 lb
Mathematics
Solve the equation by completing the square.w2 + 12w = - 27
A. 36, -9 B. ± 3 C. 3, 9 D. -3, -9
Mathematics
Evaluate.
A. 429 B. 51480 C. 6435 D. 3432
Mathematics