Solve the problem.A large square with side length 5 circumscribes a circle, while a smaller square inscribes the same circle. If a point on the figure is chosen at random, what is the probability that the point lies in the shaded area?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = t5i + 4ln
j + 
k
A. a(1) = 20i - 4j - 2k
B. a(1) = 20i + 
j - 2k
C. a(1) = 20i + 4j + 2k
D. a(1) = 20i + 
j + 2k
Mathematics
Change the number 
to base ten.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Convert the units.389 mL = 
L
A. 389,000 L B. 38,900 L C. 0.389 L D. 3.89 L
Mathematics
Establish the identity.cot(2?)= 
What will be an ideal response?
Mathematics