Use sigma notation to represent the partial sum of the first ten terms of the sequence 
.
A. 
B. 
C. 
D. 
E. None of these
Answer: B
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Solve. Round to the nearest hundredth, if necessary.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 245 seconds are required to make a 5-by-7 enlargement, find the time required for a 7-by-9 enlargement.
A. 378 sec B. 567 sec C. 441 sec D. 504 sec
Solve.A carpenter has two boards. The first is 
ft long. The second is 
the length of the first. How long is the second board?
Fill in the blank(s) with the appropriate word(s).
Find the average rate of change of the function over the given interval. h(t) = 
, [2, 8]
A. 2
B. 7
C. 
D. - 
Solve the problem.A rectangle has a perimeter of 126 ft and a length of 50 ft. Find the width of the rectangle.
A. 113 ft B. 63 ft C. 13 ft D. 8 ft