Solve the system of equations by the substitution method.
A. (0, 8)
B. (5, -7)
C. infinite number of solutions
D. no solution
Answer: C
Mathematics
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Rewrite the expression as a sum, difference, or multiple of logarithms.log x2(5x - 4)5
A. 2 log x - 5 log(5x - 4) B. 2 log x + 5 log(5x - 4) C. 7 log(6x - 4) D. 2 log x + 5 log 5x - 5 log 4
Mathematics
Factor out the largest possible common factor.x(y + 2) + 9(y +2)
A. (y +2)(x + 9) B. 2y(x + 9) C. (xy + 2x) + (9y + 18) D. 9x(y +2)
Mathematics
Solve the quadratic equation by any method.3x(x + 3) = -2
A. 
B. 
C. - 
D. - 
Mathematics
Solve each equation for x.
Mathematics