Evaluate.(-7)0

A. -1
B. 7
C. 1
D. 0


Answer: C

Mathematics

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Multiply.(s + t + 4)(s + t - 4)

A. s2 + 2st + 8s + 8t + t2 - 16 B. s2 + t2 - 16 C. s2 - 2st - 8s - 8t + t2 + 16 D. s2 + 2st + t2 - 16

Mathematics

Evaluate the integral.

A.  + C
B. -  + C
C. -  + C
D.  + C

Mathematics

Approximate the number rounded to three decimal places, and truncated to three decimal places.

A. 2.222 2.223 B. 2.222 2.222 C. 2.223 2.222 D. 2.223 2.223

Mathematics

Solve the problem.If v = -i - j, find .

A. 0
B. 2
C.
D. 1

Mathematics