Simplify the expression. Assume that variables represent nonzero numbers.
3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the sum of the arithmetic series.2 + 4 + 6 + 8 + ... + a56
A. 3192 B. 114 C. 3202 D. 3248
Mathematics
What is element 
of the inverse of the following matrix?
?
?
A. 
?
B. 
?
C. - 
?
D. - 
?
E. 
?
Mathematics
Solve using the addition and multiplication principles together.4n - 4 = 24
A. 24 B. 10 C. 28 D. 7
Mathematics
Solve the formula for the indicated variable with the given information.P = 2L + 2W for P, with W = 10 inches and L = 24 inches
A. P = 28 inches B. P = 240 square inches C. P = 34 inches D. P = 68 inches
Mathematics