Find the sum.534 + 646 + (-34) + (-46)
A. 1100
B. 1180
C. 1192
D. 1168
Answer: A
Mathematics
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Simplify.
-3
A. 
B. 
C. 
D. 
Mathematics
Solve by any desired method. If there is no real number solution, say so.x2 + 4x = 7
A. x = -2 ± 
B. x = 2 + 
C. x = -2 ± 2
D. x = -1 ± 
Mathematics
Write the algebraic expression without parentheses.
(5x) + [(4x) + (-4x)]
A. 9x B. 1 C. -7x D. x
Mathematics
?The linear transformation 
is defined by 
, where
?
?
Find nullity(T).
?
A. ?3
B. ?2
C. ?0
D. ?1
E. ?none of these choices
Mathematics