Express as a single logarithm and, if possible, simplify.ln 8 - ln 2
A. ln(6)
B. ln 
C. ln 
D. ln(4)
Answer: D
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Find a and b.If -5 < x < 0, then a < 5x + 2 < b.
A. a = 2, b = -23 B. a = -23, b = 2 C. a = -2, b = -27 D. a = -12, b = -2
The NSC (Not So Consistent) Corporation has just completed its first year of business. The following chart shows its monthly profit (or loss). 
?
True or False: The absolute value of the profit or loss in September was less than the absolute value of the profit or loss in November.
A. False B. True
Solve the problem.Given 3x + y = -4, solve for y and find the value of y when x = 10.
A. y = -4 - 3x; y = -34
B. y = -4 - 3x; y = 26
C. y = 
; y = - 
D. y = -4 + 3x; y = 26
Multiply and simplify. Assume that all variables represent positive real numbers.(10
+ 9 )(
- 10)
A. 10x - 91
- 90
B. 10x + 109
- 90
C. 10x - 91
+ 90
D. 10x + 91
- 90