Solve.-3.1 = z - 8.5
A. -5.4
B. 11.6
C. -11.6
D. 5.4
Answer: D
Mathematics
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Refer to the figures below to answer the following question.
Which of the figures is a gnomon to Figure A?
A. Figure D B. Figure C C. Figure E D. Figure B E. none of these
Mathematics
Write the complex number in rectangular form using exact values if possible. Otherwise, round to one decimal place.3(cos ? + i sin ?)
A. 3 B. -3i C. -3 D. 3i
Mathematics
Simplify.(-15)
- 3 ÷ 
A. -9 B. 9 C. 3 D. -3
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 5x20 - 7x14 - 6x11 + 6x2 - 5x
A. 3 positive; 2 negative B. 1 or 3 positive; 0 or 2 negative C. 0 or 2 positive; 0 or 2 negative D. 1 or 3 positive; 1 or 3 negative
Mathematics