Solve the equation by first clearing the fractions.- 
+ z = 
A. 
B. {1}
C. 
D. {-1}
Answer: B
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Find the polar coordinates of the point(s) of intersection of the given curves for 
r = 2 cos ?, r = 2 cos 2?
A. 
, 
, (0, 0)
B. 
, 
C. 
, 
D. 
, 
, (2, 0)
Identify the problem with the method used to obtain a random sample.Kate is researching drug use amongst U.S. adults and would like to obtain a random sample of U.S. adults. She obtains an alphabetical list of all students at her university. There are 12,906 names on the list. She uses a random number generator to generate 200 numbers between 1 and 12,906. She chooses the names corresponding to those 200 numbers.
A. The sample will be biased because the random number generator might choose the same number more than once. B. The sample will be biased because the random number generator will only choose numbers between 1 and 10,000. Students corresponding to higher numbers cannot be selected. C. The sample will be biased because students at her university are not representative of all U.S. adults.
If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.The life span of the average male human being is approximately 37,843,200 minutes.
A. 3.78432 × 105 min B. 3.78432 × 107 min C. 3.78432 × 106 min D. 37.8432 × 106 min
Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 36; 
A. -
i, 
i, -
B. -
C. 
i
D. -6i, 6i, -