Solve the problem.If it snows today, there is a 90 percent chance of snow tomorrow; however if it does not snow today, there is a 70 percent chance that it will not snow tomorrow. Construct the stochastic matrix that represents this situation with columns and rows labeled S and NS.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Beaufort Canal has a semi-elliptical cross section with a width W = 82 feet and a depth D = 11 feet (see figure). The keel on Sasha's yacht rides 4 feet below the water line at the keel's deepest point. If the yacht travels parallel to the canal, and assuming the canal is completely full of water, how close can Sasha bring the yacht's centerline to the edge of the canal without running aground? (The keel is the very bottom of a boat hull and runs directly below the boat's centerline from front to back.) Round your answer to the nearest foot.
A. 3 ft B. 4 ft C. 13 ft D. 28 ft
Given the function, find the indicated value.Find f(4) when f(x) = x2 - 4x - 1.
A. 33 B. 1 C. -1 D. 31
Provide an appropriate response.Is it possible to factor the expression 20x8(y + 7) + 9(y - 7)? If so, factor it.
A. Yes: (20x8 + 9 + 7 + y) B. Yes: (20x8 + 9)(y - 7) C. Yes: (20x8 + 9)(y + 7) D. No
Analyze the graph and write the equation of the function it represents in standard form f(x) = a(x - h)2 + k.
A. y = 2(x + 2)2 + 2
B. y = 
(x + 2)2 + 2
C. y = - 
(x + 2)2 - 2
D. y = -2(x + 2)2 - 2