Perform the division.
A. x2 - 9
B. x + 9
C. x - 81
D. x + 81
Answer: B
Mathematics
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Solve the problem.A rock is thrown vertically upward from the surface of an airless planet. It reaches a height of 
meters in t seconds. How high does the rock go? How long does it take the rock to reach its highest point?
A. 1080 m, 10 sec B. 300 m, 5 sec C. 600 m, 10 sec D. 595 m, 5 sec
Mathematics
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 4; zeros: i, 3 + i
A. -i, 3 - i B. -i, -3 + i C. 3 - i D. -3 + i, 3 - i
Mathematics
Solve the problem.Write 48 out of 50 computer chips as a reduced fraction and as a percent.
A. 
, 960%
B. 
, 96%
C. 
, 960%
D. 
, 9.6%
Mathematics
Find the quotient, and write in lowest terms, if necessary.
÷ 
A. 19
B. 
C. 18
D. 20
Mathematics