Evaluate the algebraic expression for the given values of the variables.3xy - x 2 y 2 + 3y 2, x = 5 and y = 1
A. –14
B. –4
C. –8
D. 3
E. –7
Answer: E
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Find the limit, if it exists.
A. 0
B. 3
C. 3
D. Does not exist
Answer the question.If n is an odd number, then which of the following statements is true?
A. The equation xn + 1 = 0 has exactly one real root. B. The equation xn + 1 = 0 has n + 1 roots. C. The equation xn + 1 = 0 has an odd number of nonreal roots. D. The equation xn + 1 = 0 has an even number of real roots.
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y. 3x + y = 6-6x - 2y = -12
A. 
or (y, -3y + 6)
B. (x, 3x + 6) or 
C. (x, -3x + 6) or 
D. no solution
Calculate the total amount due to the IRS from the firm.St. Luke's Hospital collected $2324.25 FICA, $543.57 Medicare, and $1930.62 federal withholding tax from employees.
A. $4798.44 B. $7666.26 C. $7122.69 D. $5342.01