Find the slope of the line.y = 
x
A. 1
B. 0
C. 
D. 
Answer: D
Mathematics
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If 
, calculate the value of 
. Round your answer to two decimal places if necessary.
?
A. 265.07 B. 2,379.73 C. 1,768.85 D. -1,768.85
Mathematics
Solve the problem.The sales of a mature product (one which has passed its peak) will decline by the function S(t)= Soe-at, where t is time in years. Find the sales after 18 years if 
and 
(Round to the nearest whole number.)
A. 67,355 B. 2,059,009 C. 1822 D. 911
Mathematics
Introduce slack variables as necessary and write the initial simplex tableau for the problem.Maximize z = 2x1 + x2 subject to: x1 + x2 ? 52 3x1 + x2 ? 180 x1 ? 0, x2 ? 0 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for a = -5, b = 16 and c = 7.
A. 
B. 
C. - 
D. 
Mathematics