Simplify the polynomial by combining like terms.3.6x3 - 6.5x + 11.8 + 1.9x - x3 - 8.2
A. 1.6x4
B. 2.6x3 - 4.6x + 3.6
C. 3.6x3 + 8.4x + 20
D. cannot be simplified
Answer: B
Mathematics
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Solve the problem.The lifetime of an appliance that costs $100 is exponentially distributed with a mean of 2 years. The manufacturer gives a full refund if the appliance fails in the first year following its purchase. If the manufacturer sells 300 printers, how much should it expect to pay in refunds?
A. $18,196 B. $10,624 C. $11,804 D. $118
Mathematics
Solve the problem.Find the maximum value of 
subject to 
and 
A. 3 + 
B. 3 - 
C. 3 + 
D. 3 - 
Mathematics
Evaluate the integral.
A. 
?2
B. 
?
C. 
?2
D. 
?
Mathematics
Determine whether the graph of the set of data points is linear or nonlinear.(age, weight): (10, 85), (12, 96), (14, 109), (16, 124)
A. Linear B. Nonlinear
Mathematics