Solve the equation.-(3y - 7) - (-2y + 1) = -9
A. {-15}
B. {15}
C. {1}
D. {3}
Answer: B
Mathematics
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Solve using the percentage formula.574 is 11.2% of what number?
A. 5,125 B. 0.13 C. 13 D. 51,250
Mathematics
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Use a sum-to-product identity to rewrite the expression.sin 
+ sin 
A. 2 cos 
cos 
B. 2 sin 
sin 
C. cos 
cos 
D. 2 sin 
cos 
Mathematics
Provide an appropriate response.Consider the arrangements of the letters in the word ALGEBRA. Is this a combination, a permutation, or neither?
A. Combination B. Permutation C. Neither
Mathematics