Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. x3yz2 
B. x3yz2 
C. xyz 
D. x15y5z10 
Answer: B
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Find the area of the shaded region. y = sec2 x
A. 2 - 
B. 1 - 
C. 1 + 
D. 
Solve.log5x = -2
A. 
B. {-10}
C. 
D. {3}
A survey showed that students had these preferences for instructional materials. Use the graph to answer the question.
About how many students would you expect to prefer TV in a school of 800 students?
A. About 96 students B. About 160 students C. About 144 students D. About 12 students
Construct the transition diagram and the transition matrix that represents the data.Fifty percent of those who call themselves liberal for the last election will vote as liberals in the next election, 15% will vote as conservatives, and 35% will vote as independents. 70% of those who voted as conservatives in the last election will do so in the next election, while 9% will vote as liberals, and 21% will vote as independents. 88% of those who voted as independents in the last election will do so in the next election, 10% will vote as liberals, and 2% will vote as conservatives.
A. 
| A = 0.5 | B = 0.15 | C = 0.7 |
G = 0.02 H = 0.35 I = 0.10
L C I
B.
| A = 0.35 | B = 0.15 | C = 0.7 |
G = 0.02 H = 0.5 I = 0.88
L C I
