Translate the situation into mathematical language. You need not actually solve the problem.A piece of wire 46 feet long is to be cut into three pieces, the second piece 4 times as long as the first, and the third piece 4 times as long as the first. How should the wire be cut?
A. Let m be the length of the first piece of wire; m(4)(4) = 46
B. Let m be the length of the first piece of wire; m + 4m + 4m = 46
C. Let m be the length of the first piece of wire; 4m + 4m = 46
D. Let m be the length of the first piece of wire; m(4m)(4m) = 46
Answer: B
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Write the product as a sum or difference of trigonometric functions.2 cos 8x cos 2x
A. cos 6x - cos 10x
B. 
(cos 10x + cos 6x)
C. cos 10x + cos 6x
D. sin 10x + sin 6x
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on (-?, ?) B. Increasing on (-?, ?) C. Increasing on (-?, 0); decreasing on (0, ?) D. Decreasing on (-?, 0); increasing on (0, ?)
Solve the problem using Snell's Law: 
= 
.A ray of light near the horizon with an angle of incidence of 79° enters a pool of water and strikes a fish's eye. If the index of refraction is 1.33, what is the angle of refraction (to two decimal places)?
A. 42.43° B. 47.57° C. 44.58° D. 45.42°
Perform the matrix operation.Given A = 
and B = 
, find BA.
A. 
B. 
C. 
D. 