Use the product rule to simplify the expression.7x6 ? 3x-6
A. 21x-36
B. 21x12
C. 21
D. 0
Answer: C
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For the following question(s), refer to the tournament digraph below. The vertices of the digraph represent five tennis players in a round-robin tournament. An arc XY represents the fact that X defeated Y in the tournament.
Which player came in last in the tournament?
A. A B. B C. C D. D E. E
One inlet pipe can fill a chemical storage tank in 40 hours. Another inlet pipe can fill the same tank in 70 hours. How long will it take to fill the storage tank if the two pipes work together?
What will be an ideal response?
Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(U) = 83, n(A) = 32, n(B) = 42, n(C) = 22, n(A ? B) = 5, n(A ? C) = 3, 
Find 
A. 25 B. 27 C. 2 D. 1
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. 
+ 
i
B. - 
+ 
i
C. - 
- 
i
D. 
- 
i