Evaluate the expression for the given value of the variable or variables.a2 + 9abc - c2; a = -5, b = 4, c = 3
A. -506
B. 556
C. -574
D. -524
Answer: D
Mathematics
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Convert the given quantity to the desired unit. Round to the nearest tenth if necessary.21 in. to cm
A. 68.9 cm B. 53.3 cm or 53.8 cm C. 6.4 cm D. 8.3 cm or 8.2 cm
Mathematics
Find the absolute value.
A. 11 B. -11 C. 0 D. undefined
Mathematics
Match the graph with its equation.y = -2x + 7
A. 
B. 
C. 
D. 
Mathematics
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
Mathematics