Solve the system.x - y + z = 0x + y + z = 8x + y - z = 6
A. (1, 3, 4)
B. (3, 1, 4)
C. (3, 4, 1)
D. No solution
Answer: C
Mathematics
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Use Pascal's triangle to answer the question.Use the eighth row of Pascal's triangle to determine how many six-element subsets can be chosen from an eight-element set?
A. 20,160 B. 41 C. 56 D. 28
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Determine the degree of the polynomial.-5x2 + 7x3 + x - 9
A. 3 B. -5 C. 7 D. 2
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Find the standard form of the equation of the circle.Center at the origin and containing the point (5, 10).
A. x2 + y2 = 125
B. x2 + y2 = 15
C. x2 + y2 = 
D. x2 + y2 = 5
Mathematics
Multiply the polynomials. Express the answer as a single polynomial in standard form.(7x + 8y)2
A. 7x2 + 112xy + 64y2 B. 49x2 + 112xy + 64y2 C. 7x2 + 64y2 D. 49x2 + 64y2
Mathematics