Add or subtract. Express the answer as a mixed number.2
+ 1
A. 4
B. 3
C. 3
D. 4
Answer: A
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Find the prime factorization of the number.108
A. 2 ? 2 ? 2 ? 3 ? 3 ? 3 B. 2 ? 2 ? 3 ? 3 ? 5 C. 2 ? 2 ? 3 ? 3 ? 3 D. 2 ? 2 ? 3 ? 3
Find the real number solution set of the equation or inequality shown below the graph. y = f(x)
f(x) > 0
A. (-?, -2) B. (-?, 5) ? (5, ?) C. (-?, ?) D. ?
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°
Use a vertical format to find the product.5y3 - 4y2 + 8y - 2
A. -30y4 - 48y3 + 96y2 - 24y B. 15y4 - 57y3 + 60y2 - 78y + 18 C. 15y4 + 33y3 + 60y2 + 66y - 18 D. -30y4 + 24y3 - 48y2 + 12y