Add.(9a2 - 2b2 - c2) + (4a2 - 7b2 - 4c2)
A. 4a2b2 - c2 -4
B. 4a2 - 5c2
C. 13a4 - 9b4 - 5c4
D. 13a2 - 9b2 - 5c2
Answer: D
Mathematics
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Multiply. Write the answer in simplest form.6 ? 4
A. 10
B. 26
C. 24
D. 26
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Simplify.5
+ 11
A. 16
B. 16
C. 16
D. 6
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Translate the statement into a proportion.If 2 inches on a map represents 22 kilometers, 6 inches represents 66 kilometers.
A. 
= 
B. 
= 1
C. 
= 
D. 
= 
Mathematics
Indicate whether the rational expressions are equivalent.
and 
A. The expressions are not equivalent. B. The expressions are equivalent.
Mathematics