Perform the indicated operation.(5x2 - 4x - 5) + (4x2 - 4x + 3)
A. 9x2 - 8x - 2
B. 20x2 - 4x - 2
C. 9x4 - 8x2 - 2
D. 9x2 - 4x - 2
Answer: A
Mathematics
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Find the indicated quantity of the arithmetic sequence.a1 = -2, d = -5; find a6
A. 27 B. -32 C. 23 D. -27
Mathematics
Subtract the fractions below, and express the answer in its lowest terms.
?
?
A.
B.
C.
D.
E.
none of these
Mathematics
Sketch the subset on the real number line, and state whether the interval is bounded or unbounded. ? (-?, 3) ?
A. 
The interval is unbounded.
B.
The interval is unbounded.
C.
The interval is unbounded.
D.
The interval is bounded.
E.
The interval is unbounded.
Mathematics
Solve the equation.
= 8
A. 
B. {64}
C. ?
D. {8}
Mathematics