Solve the problem.On one New Year's day, the price of gasoline in California was $2.21 per gallon. On the same day, the price of gasoline in one region of Mexico was $0.85 per liter. Where was gasoline more expensive on that day? By how much? Give your answer in dollars per gallon.
A. In Mexico gasoline is $1.01 per gallon more expensive than in California.
B. In California gasoline is $7.53 per gallon more expensive than in Mexico.
C. In California gasoline is $1.99 per gallon more expensive than in Mexico.
D. In Mexico gasoline is $0.27 per gallon more expensive than in California.
Answer: A
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Add.8746
A. 215 B. 204 C. 194 D. 205
Solve the problem.Suppose you would like to cross a 205-foot wide river in a boat. Assume that the boat can travel 33 mph relative to the water and that the current is flowing west at the rate of 5 mph. If the bearing is chosen so that the boat will land at a point exactly across from its starting point, how long will it take for the boat to make the crossing? Give your answer to the nearest second.
A. 17 sec B. 9 sec C. 4 sec D. 2 sec
Provide an appropriate response.For s3t3 + 2r2 - s2 = 2, the partial derivative 
evaluated at r = 1, s = 1, t = 1 is
A. - 
.
B. -2.
C. 0.
D. 4.
E. none of the above
Find a row echelon form or a reduced row echelon form, as indicated, for the given matrix.Find a reduced row echelon form for the matrix.
What will be an ideal response?