Evaluate using substitution.
Mathematics
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Factor completely.2z - 18
A. 2(z + 9) B. 2(z - 18) C. 2(z - 9) D. 9(z - 2)
Mathematics
Determine the probability using a probability tree.A bag contains 2 red and 7 yellow marbles. Two marbles are drawn without replacement. Determine the probability at least one yellow is drawn.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.-9 = y - 11
A. 20 B. -2 C. 2 D. -20
Mathematics
Solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.
A. 100 points per thousand dollars B. 10.1 points per thousand dollars C. 1000 points per thousand dollars D. 1 point(s) per thousand dollars
Mathematics