Factor the polynomial completely.y6 + 1
A. (y + 1)(y - 1)(y2 + y + 1)(y2 - y + 1)
B. (y + 1)(y - 1)(y4 - y2 + 1)
C. (y2 + 1)(y4 - y2 + 1)
D. (y3 + 1)(y3 - 1)
Answer: C
Mathematics
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Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 51.78 inches B. 52.06 inches C. 51.14 inches D. 52.44 inches
Mathematics
Evaluate the integral.
cos 5? d?
A. 
sin 5? - 
sin 3? - 
sin 7? + C
B. 
sin 5? - 
sin 7? - 
sin 3? + C
C. 
sin 5? - 
sin 3? - 
sin 7? + C
D. 
sin 3? - 
sin 5? - 
sin 7? + C
Mathematics
Graph the linear inequality.x + y < -5
A. 
B. 
C. 
D. 
Mathematics
Find the solution set of the system.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics