Factor the trinomial completely. If the polynomial cannot be factored, write "prime."u2 - 3uv - 28v2
A. (u - 4v)(u + v)
B. (u - 4v)(u + 7v)
C. (u + 4v)(u - 7v)
D. prime
Answer: C
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Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No
Find the base.65 is 130% of what number? Round your answer to the nearest hundredth.
A. 50 B. 500 C. 16,900 D. 169
Express the indicated roots of unity in standard form a + bi.Fifth roots of unity
A. 1 + 0i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
0 + i
B. 1 + 0i
cos 
+ i sin 
? 0.81 + 0.59 i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
C. cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
cos 
+ i sin 
? 0.31 + 0.95 i
D. 1 + 0i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
Two cities have latitudes 38- N and 46- S and have approximately the same longitude. If the radius of the Earth is taken as 3960 miles, what is the distance between the cities to the nearest mile?
What will be an ideal response?