Provide an appropriate response.Which one of the following methods cannot be used to solve the equation 
A. Quadratic formula
B. Factoring
C. Completing the square
D. All of the methods can be used.
Answer: B
Mathematics
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Write as a percent. Round the percent to the nearest tenth if necessary.
A. 170% B. 111.8% C. 11.2% D. 65.8%
Mathematics
Identify the equation as an identity, contradiction, or conditional equation.5(x + 3) = 5x + 15
A. contradiction B. conditional equation C. identity
Mathematics
Solve the equation. First simplify the expression by combining like terms.(y - 5) - (y + 6) = 7y
A. - 
B. - 
C. - 
D. - 
Mathematics
Solve the equation on the interval [0, 2?).cos2x + 2 cos x + 1 = 0
A. 2?
B. 
, 
C. ?
D. 
, 
Mathematics