Solve by the substitution method.x + 2y = 5-4x + 3y = -20
A. (6, 5)
B. (-5, -1)
C. No solution
D. (5, 0)
Answer: D
Mathematics
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Use the integral test to determine whether the series converges.
A. converges B. diverges
Mathematics
Solve the problem.
The monthly payments on a $50,000 loan at 7% interest for 25 years is $353.50. How much of the first monthly payment will go toward the principal?
A. $24.75 B. $61.83 C. $328.76 D. $291.67
Mathematics
Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. infinitely many solutions; dependent equations
B. {(2, 4)}
C. 
D. no solution or ?
Mathematics
Add.
A. 93 B. 82 C. 92 D. 91
Mathematics