Perform the indicated operations.(4m - 13w)(4m + 13w)
A. 16m2 - 104mw - 169w2
B. 16m2+ 104mw - 169w2
C. 4m2 - 13w2
D. 16m2 - 169w2
Answer: D
Mathematics
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Solve the equation.(5x + 3)(25x2 + 30x + 9) = 0
A. - 
B. - 
, 5, -3
C. - 
, 0
D. - 
, 5, -3, 0
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Solve the problem.A picture 14 inches by 22 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the border is 160 square inches?
A. 2 in. B. 4 in. C. 4.5 in. D. 3 in.
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Verify the identity.
= 
What will be an ideal response?
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Indicate whether the statement is true always, sometimes, or never.The difference between two real numbers is a real number.
A. Never B. Sometimes C. Always
Mathematics