Multiply mentally.500 ? 600
A. 299,400
B. 1100
C. 300,000
D. 300,600
Answer: C
Mathematics
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Find 
by using logarithmic differentiation.y = 
A. 
+ 
- 
B. 
(ln x + ln(x - 1) - ln(x3 + 7))
C. 3
D. 
Mathematics
Identify the figure as a line, a ray, a line segment, or an angle. Then name the figure using the given points.
A. line segment; 
B. ray; 
C. line; 
D. ray; 
Mathematics
Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box.
A. 21 in. B. 14 in. C. 15 in. D. 18 in.
Mathematics
Express the number in terms of i.
A. 2i
B. 2
C. -2i
D. ±2i
Mathematics