Evaluate the expression.Let x = -19, y = -18. Evaluate |21x|.
A. 342
B. -342
C. 399
D. -399
Answer: C
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Solve the problem.Find the average distance from a point 
in the region bounded by 
to the origin.
A. 
B. 
C. 
D. 
Solve the problem.The matrix 
represents one week's usage of wood (in board-feet) at two locations of a company that manufactures chairs. Due to differences in transportation costs, the first location pays $0.89 per board-foot and the second location pays $0.94 per board-foot.(a) Find a 1 by 2 matrix representing the cost of the wood.(b) Multiply the given matrix and the matrix found in part a to determine the total cost of wood for that week.
What will be an ideal response?
Graph the function.y = -3 cot (2x)
A. 
B. 
C. 
D. 
Evaluate the expression without a calculator.ln e-6
A. - 
B. -6
C. e ln -6
D. 1