Find the power of i.i15 - i17
A. -2i
B. -2
C. 2i
D. 0
Answer: A
Mathematics
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At the outside wall the roof is 10 feet high. Also, 5 horizontal feet from the outside wall toward the interior of the room, the roof is 11 feet tall. What is the height of the roof 10 horizontal feet from the outside wall toward the interior of the room? ?
A. 12.10 feet B. 14.55 feet C. 15.22 feet D. 12.00 feet
Mathematics
Simplify the complex fraction.
A. 30y(y + 8)
B. 
C. 
D. 
Mathematics
Solve the problem.If 4x = 3,what does 4-2x equal?
A. 
B. -9
C. 9
D. 
Mathematics
Use a calculator to find the value. Give answers as real numbers and round to 4 decimal places, if necessary.sin (cos-1 0.8324)
A. 0.6324 B. 0.1389 C. 0.5542 D. 0.0175
Mathematics