Express the given vector as a linear combination of the unit vectors i and j.
A. -5j
B. -5i
C. - 
i - 
j
D. -5i - 5j
Answer: A
Mathematics
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Express as a product.log y52
A. log y ? log 52 B. log y ? log y C. y log 52 D. 52 log y
Mathematics
Simplify the following expression.
?
?
A. 
(x + y)2?
B. 
(x + y)
C. 
(x + y)
D. 
(x + y)3
E. 
(x + y)2
Mathematics
Use the formula for 
to evaluate the expression.
A. 2520 B. 1 C. 7 D. 1260
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 12x6
Mathematics