Write the expression in the standard form a + bi.
4
A. - 
+ 
i
B. - 
- 
i
C. - 
- 
i
D. - 
+ 
i
Answer: B
Mathematics
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Solve.A box with a rectangular base is to be constructed such that the perimeter of the base of the box is to be 160 inches. The height of the box must be 10 inches. What is the maximum volume possible?
A. 400 cu. in. B. 40,000 cu. in. C. 16,000 cu. in. D. 1600 cu. in.
Mathematics
Solve. x - z = -73x - y = -1 x + y + z = 18
A. (-1, -2, 6) B. (1, 9, 8) C. (3, 5, 10) D. (2, 7, 9)
Mathematics
Write the expression in lowest terms.
A. m B. -m C. m + 3 D. -(m + 3)
Mathematics
Simplify.
A. 
B. 
C. 2
D. 
Mathematics