Solve the system of linear equations. If the system has infinitely many solutions, describe the solution with an ordered triple in terms of variable z.x + 8y + 8z=87x + 7y + z=18x + 15y + 9z=-9
A. no solution
B. (0, 0, 1)
C. (-1, 0, 1)
D. (1, -1, 1)
Answer: A
Mathematics
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B. -5b
C. - 
D. 
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Determine the most appropriate metric unit to go in the blank. Choose from km, m, cm, mm, L, mL, kg, g, and mg.She took 520 
of vitamin C.
A. g B. mg C. mm D. kg E. L
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Write the percent as a fraction or mixed number in lowest terms.
%
A. 
B. 
C. 
D. 
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Find an equation of the line with the given slope and containing the given point. Write the equation using function notation.Slope -3; through (-8, 2)
A. f(x) = -3x - 22 B. f(x) = -3x + 22 C. f(x) - 2 = x + 8 D. f(x) - 2 = mx + 8
Mathematics