Evaluate the expression.3 ? (7 - 1) + 
A. 39
B. 25
C. 27
D. 31
Answer: B
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Complete.39 kg = 
g
A. 0.039 B. 39,000 C. 0.39 D. 3900
Find the area of the parallelogram that has the vectors as adjacent sides.
?
?
A. 
B. 
C. 
D. 
E. 
For problems 4-15, perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. none of these
Write the first six terms of the sequence beginning with the given term. Then calculate the first and second differences of the sequence. State whether the sequence has a linear model, a quadratic model, or neither. ? a1 = 1 an = an - 1 + 2n ?
A. 1, 5, 11, 19, 29, 41First differences: 4, 6, 8, 10, 12Second differences: 2, 2, 2, 2Quadratic B. 1, 5, 11, 19, 29, 41First differences: 4, 6, 8, 10, 12Second differences: -2, -2, -2, -2Quadratic C. 1, 5, 11, 19, 29, 41First differences: 2, 2, 2, 2Second differences: 4, 6, 8, 10, 12Linear D. 1, 5, 11, 19, 29, 41First differences: -2, -2, -2, 2Second differences: 4, 6, 8, 10, 12Neither E. 1, 5, 11, 19, 29, 41First differences: -2, 2, -2, 2Second differences: 4, 6, 8, 10, 12Linear