Simplify the radical expression. Assume all variables represent positive real numbers.
A. 10,000
B. 10
C. -10
D. not a real number
Answer: B
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Determine whether the study involves selection bias, participation bias, both selection bias and participation bias, or neither.You are interested in the percentage of people in your city who favor tax cuts. You interview every twentieth person as they leave the church in your neighborhood.
A. Participation bias and selection bias B. Selection bias C. No bias D. Participation bias
Evaluate the function.Find g(a - 1) when g(x) = 
x + 4.
A. 
B. 
a - 5
C. 
D. 
a + 4
Write a formula for the nth term of the indicated sequence. Write out the first five terms of the sequence.arithmetic: a = 12, d = 5
A. an = 5n + 12; 12, 17, 22, 27, 32 B. an = 5n + 7; 12,17, 22, 27, 32 C. an = 5n + 12; 17, 22, 27, 32, 37 D. an = 12n + 7; 17, 22, 27, 32, 37
Solve the problem.If cos ? = 
, find the exact value of (i) sin(90° - ?) and (ii) csc (
- ?).
Fill in the blank(s) with the appropriate word(s).