Solve the problem.Find the value of k such that (1, 4) is a solution of 4x - ky = -4.
A. 2
B. - 4
C. -2
D. 4
Answer: A
Mathematics
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Simplify. Write your answer in the form a + bi, where a and b are real numbers.(15 + 7i) - (5 + 4i)
A. 10 + 3i B. -10 + 3i C. -10 - 3i D. 10 - 3i
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Use the LCD to clear fractions and solve the given equation.
x + 
= 
A. 
B. 
C. - 
D. 
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Simplify the expression.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the compound interest earned. Round to the nearest cent. Use your calculator, rather than the tables.$14,000 at 10% compounded semiannually for 3 years
A. $4200.00 B. $4761.34 C. $4634.00 D. $10,801.85
Mathematics