Find the limit.
9 cos 
A. 1
B. 0
C. 9
D. - 9
Answer: D
Mathematics
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Factor completely. If a polynomial cannot be factored, say it is prime.2x2 + 9x + 18x + 81
A. (2x + 9)(2x + 9) B. (x + 9)(2x + 9) C. prime D. (2x + 9)(9x + 2)
Mathematics
Find the volume of the solid bounded above by the surface
?
?
and below by the plane region R.
?
and R is the region bounded by the graphs of 
and 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Multiply the polynomials. Express the answer as a single polynomial in standard form.(x - 5)2
A. x + 25 B. 25x2 - 10x + 25 C. x2 - 10x + 25 D. x2 + 25
Mathematics
Find the circumference of the circle. Then use the approximation 3.14 for ? and approximate the circumference.
A. 119.32 m B. 123.12 m C. 59.66 m D. 61.56 m
Mathematics