Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.x - 
= 5 + yi
A. x = 5, y = -9
B. x = 5, y = 9
C. x = -5, y = -9
D. x = -5, y = 9
Answer: A
Mathematics
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Let 
.
?
Write the terms of 
in descending powers of x.
?
A. 
B. ?
C. ?
D. ?
E. none of these
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Solve.Find the area of a parallelogram with a base = 18 feet and height = 17 feet.
A. 306 ft2 B. 153 ft2 C. 35 ft2 D. 612 ft2
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Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 8x
A. 16; (x + 4)2 B. 16; (x + 4)(x - 4) C. 16; (x - 4)2 D. prime
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