Find the indicated probability.A dart is thrown randomly and sticks on the circular dart board shown. 
Assuming the dart does not land on a border between colored areas, find the probability that the dart lands on an area marked with a number greater than 2 and less than or equal to 9. Assume that all sectors are of equal size.
A. 
B. 
C. 
D. 1
Answer: A
Mathematics
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Solve the given differential equation.y(4) - 21y'' - 100y = 0
A. y = C1e2x + C2e-2x + C3 cos 5x + C4 sin 5x B. y = C1e5x + C2e-5x + (C3 + C4x)e2x C. y = C1e5x + C2e-5x + C3 cos 2x + C4 sin 2x D. y = (C1 + C2x)e-5x + C3 cos 2x + C4 sin 2x
Mathematics
Reduce the fraction.- 
A. 
B. - 
C. - 
D. 
Mathematics
Evaluate the expression.
A. 3 B. -2 C. 14 D. 6
Mathematics
Find the first 4 terms of the recursively defined sequence.a1 = 9, an+1 = 
A. 9, - 
, - 
, - 
B. 9, 
, -9, 
C. 9, - 
, 9, - 
D. 9, - 
, - 
, 
Mathematics