Decide whether the pair of lines is parallel, perpendicular, or neither.12x + 4y = 16 and 6x + 2y = 9
A. Parallel
B. Perpendicular
C. Neither
Answer: A
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 
+ 
+ 
+ 11
B. 
+ 
- 
- 11
C. 
+ 
+ 
- 11
D. 
+ 
- 
+ 11
The number of Americans aged 45 to 54 (which stood at 25 million at the beginning of 1990) grew at the rate of
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?
million people/year, t years from the beginning of 1990. How many Americans aged 45 to 54 were added to the population between 1990 and the year 1998? Please give your answer to one decimal place.
Fill in the blank(s) with the appropriate word(s).
Solve the following equation by finding the exact solution.
?
What will be an ideal response?
Convert the rectangular equation to polar form.2x + 3y = 6
A. r = 
B. r = 
C. r = 
D. r = 