Determine whether the given equation is an identity.
= 
+ 2
A. Yes
B. No
Answer: B
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Multiply.(4 - n)(n + 6)
A. -n2 - 2n - 24 B. -n2 + 2n + 24 C. -n2 - 2n + 24 D. n2 + 2n - 24
Mathematics
Find the dot product v ? w.v = -3i,
w = 5j
A. 0
B. 2
C. 
D. -15
Mathematics
Write an equivalent expression. Use an associative law.(x + 2) + y
A. x + (2 + y) B. x(2 + y) C. y + (x + 2) D. (2 + x) + y
Mathematics