Solve the system by the substitution method.2y - x = 10x2 + y2 - 100 = 0
A. 
B. 
C. {(10, 0), (-10, 0), (6, 8)}
D. {(-10, 0), (6, 8)}
Answer: D
Mathematics
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Solve the problem.A stockbroker bought 5 shares of stock for $28.28 each. What was the total amount of the purchase?
A. $141.30 B. $141.51 C. $141.40 D. $141.50
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Perform the operation and write the result in the standard form.(7 - 7i) + (1 - 3i)
A. 8 - 4i B. 8 + 10i C. 8 - 10i D. -8 - 10i
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Solve the equation algebraically. Verify your solution with a graphing utility.x3 + 5x2 - 36x - 180 = 0
A. {36, -5} B. {6, -5} C. {-6, 6, -5} D. {-6, 6, 5}
Mathematics
Determine the equation of the line.
A. y = - 
x
B. y = 
x
C. y = - 
x
D. y = 
x
Mathematics