Use the substitution method to solve the system of linear equations. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.
= 5 6x = 10 + 9y
A. {(x, y) 
}
B. 
C. 
D. No solution
Answer: C
Mathematics
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Factor by grouping. Assume any variable exponents represent whole numbers.ay2 + 4by2 - 4ax - 16bx
A. (a - 4b)(y2 + 4x) B. (a - 4b)(y2 - 4x) C. (a + 4b)(y2 + 4x) D. (a + 4b)(y2 - 4x)
Mathematics
Find the effective annual interest rate for the given nominal annual interest rate. Round your answers to the nearest 0.01%.5% compounded quarterly
A. 5.12% B. 5.00% C. 5.09% D. 5.06%
Mathematics
Solve by trial.54 ÷ n = 9
A. 8 B. 6 C. 4 D. 7
Mathematics
Solve the problem.Robert receives a commission of $145 on sales of $2900. What is his commission rate?
A. 10% B. 4% C. 6% D. 5%
Mathematics