Combine like terms.5x + 14 + x + 4xy
A. 6x + 4xy + 14
B. 5x + 4xy + 14
C. 10xy + 14
D. 10x + 4y + 14
Answer: A
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Evaluate the line integral of f(x,y) along the curve C.f(x, y) = x2 + y2, C: y = -4x - 2, 0 ? x ? 3
A. 79
B. 237
C. 237
D. 543
Write fraction in lowest terms.The table lists the number of televisions in stock at a particular store, categorized by screen size.
Find the lowest-terms fraction of televisions in stock with a screen size of 19 inches.
A. 
B. 
C. 
D. 
Find the least common multiple of the given number by the method of intersection of sets of multiples.48, 162, and 27
A. 648 B. 324 C. 432 D. 1296
Use Descartes' rule of signs to find the number of possible positive, negative, and nonreal roots for the following equation.
?
?
A. 0 positive; 0 negative; 15 nonreal B. 1 positive; 0 negative; 14 nonreal C. 0 positive; 1, 3, or 5 negative; 10, 12 or 14 nonreal D. 0 or 2 positive; 1 or 3 negative; 10, 12 or 14 nonreal E. none of these