Find det A using the method of cofactors.A = 
A. 86
B. -50
C. 50
D. -42
Answer: C
Mathematics
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The graph below shows the approximate annual percentage growth rate in world population for the years 1960 through 2010. Data is estimated by the UN Census Bureau.Annual Growth Rate (Percentage) 
Use the graph to answer the question.In which year during the period 1960-2010 is estimated world population the greatest?
A. 1970 B. 1963 C. 1960 D. 2010
Mathematics
Determine whether the given ordered pair is a solution of the equation.2x - 2y = 18; (4, 5)
A. Yes B. No
Mathematics
Factor the trinomial completely.-2x3 - 8x2 + 64x
A. -2x(x - 4)(x + 8) B. 2x(x + 4)(x + 8) C. -2x(x + 4)(x - 8) D. -2x2(x - 4)(x - 8)
Mathematics
Evaluate the expression. Make sure you simplify.-5(2 - 4)
A. -10 B. -14 C. -30 D. 10
Mathematics