Evaluate the expression. Write your answer without exponents.(-2)-3
A. 8
B. - 
C. 
D. -8
Answer: B
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For connection to the system and water usage w, in hundreds of gallons, a water company charges
dollars.
?
Solve this equation for w to express water consumption as a function of the charges.
?
A. There is no solution.
B. 
C. 
D. 
If src="https://sciemce.com/media/3/ppg__cognero__Section_5.4_Combining_and_Decomposing_Functions__media__651fe3fb-ac15-416c-abe9-871f816c22d0.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_70aa56ef662f4a1e9847cae38" />? Round your answer to two decimal places if necessary.
?
A. 3.74
B. 145.92
C. 6.86
D. 17
and 
, what is the value of w when
Solve the formula for the indicated variable.
+ 
= c for b
A. b = 
B. b = ac - 
C. b = 
- a
D. b = 
For an election with candidates A, B and C, we have the following preference schedule:
Which fairness criterion is violated in this election using the Borda count method if candidate B drops out of the election and a reelection is held?
A. monotonicity criterion B. Condorcet criterion C. independence-of-irrelevant-alternatives criterion D. majority criterion E. none of these