Round as indicated.9215 to the nearest hundred
A. 9210
B. 9100
C. 9200
D. 9300
Answer: C
Mathematics
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Translate to a proportion and solve. When necessary, round to the nearest hundredth.581 is 14% of what?
A. 4150 B. 41,500 C. 20 D. 0.2
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.4x2 - x + 7 = 0
A. 
B. 
C. no real solution
D. 
Mathematics
Solve the problem.The diagram shows the roads connecting four cities.WX
YZHow many ways are there to travel between cities W and Y by passing through exactly two cities? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate A2 and A3).
A. 16 B. 14 C. 15 D. 13
Mathematics
Find the angle between the vectors u and v.
, 
?
A. 
B. 
C. 
D. 
E. 
Mathematics