Solve the system of equations by the addition method.
A. infinite number of solutions
B. no solution
C. 
D. 
Answer: D
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Decide if an Euler circuit exists for the graph.
A. Yes B. No
Find the particular solution to the given differential equation that satisfies the given conditions.
- 9 
+ 14y = 12 - ex; 
= 
and y = 
when x = 0
A. y = - 
e2x + 
e7x - 
- 
ex
B. y = - 
e2x + 
e7x + 
+ 
ex
C. y = - 
e2x + 
e7x + 
- 
ex
D. y = - 
e2x - 
e7x + 
- 
ex
Solve the problem.A department store is having a clearance sale. The price on a television is reduced by 33%. That sale price is then reduced by another 33%. If x is the television's original price, the sale price can be represented by (x - 0.33x) - 0.33(x - 0.33x). With these two reductions, at what percentage of the original price is the television being sold? Use the factored, simplified form of the expression to answer the question.
A. 67% B. 34% C. 66% D. 44.89%
Simplify. Assume that the variable represents a nonnegative number.
A. 3x
B. 3 
C. 9x
D. -3x