Find the following. Assume that the letter can represent any real number.
A. z - 7
B. 
C. (z - 7)2
D. 
Answer: D
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Solve the equation.9.2x + 11.1x = 284.2
A. 13 B. 16 C. 14 D. 15
Factor out the greatest common factor.10m2 - 21r3
A. 2(5m2 + 10r3) B. m2(10 - 21m) C. No common factor D. 3(3m2 - 7r3)
A linear programming maximization problem with four variables and three nontrivial inequalities has the number 27 as the maximum value of the objective function.(a) How many variables and nontrivial inequalities will the dual problem have?(b) What is the minimum value of the objective function of the dual problem?
What will be an ideal response?
Find the cumulative distribution function for the given probability density function.f(x) = 
x - 
; [2, 4]
A. F(x) = 
, 2 ? x ? 4
B. F(x) = 
, 2 ? x ? 4
C. F(x) = 
, 2 ? x ? 4
D. F(x) = 
, 2 ? x ? 4