Factor completely. If prime, so state.81x2 + 49y2
A. (9x - 7y)2
B. (9x + 7y)(9x - 7y)
C. (9x + 7y)2
D. prime
Answer: D
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Solve the problem.For a certain film, an actor received a fixed salary plus a percentage of the film's profits. The linear function 
describes his salary, y, in millions of dollars, as a function of the film's profits, x, also in millions of dollars. Find the slope and y-intercept of this function. What do they represent?
What will be an ideal response?
Evaluate the cylindrical coordinate integral.
A. 32
B. 64
C. 
D. 
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 20 intersect the graph?
A. three times B. once C. does not intersect D. twice
Solve the problem.A rectangle has an area described by the polynomial (16x2 + 42x + 27) square inches. Find the length and width of the rectangle.
A. (2x + 3) inches and (8x + 9) inches B. (8x + 3) inches and (2x + 9) inches C. (2x - 3) inches and (8x - 9) inches D. (2x + 9) inches and (8x - 3) inches