Simplify.
A. 2
B. 2
C. 2
D. 9
Answer: C
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Solve the problem.Suppose you would like to cross a 219-foot wide river in a boat. Assume that the boat can travel 38 mph relative to the water and that the current is flowing west at the rate of 7 mph. What bearing should be chosen so that the boat will land at a point exactly across from its starting point? Give your answer to the nearest tenth of a degree.
A. 10.6° B. 7.1° C. 79.4° D. 8.5°
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
List the elements in the following set.B ? C
A. {q, s, v, w, x, y, z} B. {q, w, y, z} C. {y, z} D. {q, s, u, w, y, z}
Solve and check your answer.1 - 10 = x + 4 + 32
A. x = 4 B. x = -22 C. x = -58 D. x = 22
The original amount of methylacetate is 
and 
. Find the amount of methylacetate left after 45 minutes. Round to the nearest hundredth.
A. 
B. 
C. 
D. 
E. none of these