Determine the real solutions to the system of nonlinear equations.y = x2 - 12x + 36x + y = 8
A. (7, 1), (4, 4)
B. (7, 15), (4, 4)
C. (6, 2)
D. (-7, 15), (-4, 12)
Answer: A
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Find the midpoint between the given points on a straight line.(3, 2) and (9, 4)
A. 
B. (-6, -2)
C. (12, 6)
D. 
Perform the division.(8x2y3 + 12x4y7 - 12x5y4) ÷ (4x2y3)
A. 2 + 3xy4 - 3x2y B. 2 + 3x2y4 - 3x3y C. 2xy + 3x2y4 - 3x3y D. 2 + 3x2y3 - 3x3y2
Find a simplified difference quotient for the function.f(x) = x2 - 5x
A. 2x + h - 5 B. 2x - 5h C. 2(x + h) - 5 D. 2xh + h - 5
A quiz consists of 10 multiple-choice questions with 5 choices for each question. Suppose a student is sure of the first 5 answers and has each of the last 5 questions narrowed to 3 of the possible 5 choices. If the student guesses among the narrowed choices on the last 5 questions, find the probability of getting at least a C (at least 70%). Round your answer to four decimal places. ?
A. Pr(Grade ? C) = 0.0412 B. Pr(Grade ? C) = 0.4200 C. Pr(Grade ? C) = 0.5391 D. Pr(Grade ? C) = 0.4609 E. Pr(Grade ? C) = 0.0163