Express the number in terms of i.

A. -5i
B.
C.  i
D. - i


Answer: C

Mathematics

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Provide an appropriate response.The critical point of f(x, y) = x2 - 4y2 + 3z2 subject to the constraint x + 16y - 9z = 36 is

A. (3, 1, -4) B. (4, 1, -3) C. (1, -3, 4) D. (4, -3, 1) E. (-1, 4, 3)

Mathematics

Simplify using order of operations.

A. -30 B. -38 C. 30 D. 38

Mathematics

Find the unknown value.385 is what percent of 55?

A. 700%
B. 70%
C. %
D. 7%

Mathematics

Write the first four terms of the sequence whose general term is given.an = n

A. - , - , - , - 
B. , - , - 
C. - , - , - 
D. - , - 

Mathematics