Use the Binomial Theorem to find the indicated coefficient or term.The 4th term in the expansion of (x + 3y)10
A. 3240x7y3
B. 3240x3y7
C. 1080x7y4
D. 1080x3y7
Answer: A
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Find the volume of the indicated region.the region in the first octant bounded by the coordinate planes and the surface 
A. 81
B. 
C. 54
D. 
Find the indicated probability or percentage for the normally distributed variable.A machine produces pencils with a mean diameter of 0.30 inches and a standard deviation of 
The diameters are approximately normally distributed. What is the probability that a randomly selected pencil has a diameter less than 
A. 0.067 B. 0.099 C. 0.614 D. 0.215
Evaluate the limit based on the graph of f shown.
f
A. ? B. -? C. -2 D. 0
The sequence is defined recursively. Write the first four terms.a1 = 135; an+1 = (an)
A. a1 = 135, a2 = 45, a3 = 15, a4 = 5 B. a1 = 135, a2 = 405, a3 = 1215, a4 = 3645 C. a1 = 135, a2 = 67.5, a3 = 33.75, a4 = 16.875 D. a1 = 135, a2 = 105, a3 = 75, a4 = 45