Multiply.(x + 9)(x - 9)
A. x2 - 18x - 81
B. x2 - 18
C. x2 - 81
D. x2 + 18x - 81
Answer: C
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State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.A shoe manufacturer wants to know in which size they should make the most shoes. Which type of average would be the most useful?
What will be an ideal response?
Provide an appropriate response.Write as a complex number in simplified form: 2 - 
A. 4 - 2i B. 6i C. 2 - 4i D. 2 + 4i
Combine. Assume that all variables represent non-negative real numbers.5
+ 
A. 15
B. 8
C. 6
D. 5
+ 
Determine whether the statement is true or false.You wish to solve the following linear programming problem:Minimize2x1+ x2subject tox1?- x2? 4x1?+ 2x2? 10and x1 ? 0, x2 ? 0This can be solved by the simplex method by solving the equivalent problem:Maximize2x1+ x2subject tox1?- x2? 4-x1?- 2x2? -10and x1 ? 0, x2 ? 0
A. True B. False