Simplify the power of i to i, 1, -i or -1.
A. 1
B. -i
C. -1
D. i
Answer: D
Mathematics
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Find the length of the curve.The curve r = 7
, 0 ? ? ? 
A. 
(? + 2)
B. 
?
C. 2?
D. 7(? + ln(? + 
))
Mathematics
Solve the problem.Translate the phrase into a mathematical expression then evaluate the expression for x = 200 and y = 4.The quotient of x and y
A. x ÷ y; 50 B. x ÷ y; 53 C. x ÷ y; 48 D. x ÷ y; 52
Mathematics
The first card is not a two.
Two cards are dealt without replacement from a well-shuffled deck of cards. Find the probability of each event.
Mathematics
Simplify. Express in terms of i.- 
A. 2i
B. -2
C. -2i
D. 2
Mathematics