Factor the binomial completely. If it is prime, say so.9x2 - 16
A. (3x + 4)(3x - 4)
B. (3x + 4)2
C. (3x - 4)2
D. Prime
Answer: A
Mathematics
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Evaluate the expression to determine the entry missing from the table.
A. 
? 5 + 5 is -5
B. 
? 4 + 5 is -3
C. 
? 5 + 4 is -6
D. 
? 4 + 4 is -4
Mathematics
Solve the system.
A. x = -1, y = 3, z = 6, w = 1 B. x = -4, y = -5, z = 10, w = 4 C. x = 4, y = -1, z = 5, w = -4 D. x = 4, y = -2, z = 0, w = 4
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 28
D. 4
Mathematics
Solve the problem.Suppose that the manufacturing cost of a precision instrument is approximated by 
where x is the cost of materials and y is the cost of labor. Find 
A. 111 B. 194 C. 82 D. 376
Mathematics