Find the sum Sn of the first n terms of the geometric sequence. 
, 1, 2, 4, 8, . . . ; n = 8
A. 
B. 
C. 131
D. 
Answer: D
Mathematics
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Convert the numeral to Egyptian form.367
A. 
B. 
C. 
D. 
Mathematics
Add.-6 + 3
A. -3 B. 9 C. -9 D. 3
Mathematics
Determine which elementary row operation(s) applied to the first matrix will yield the second matrix.
, 
What will be an ideal response?
Mathematics
The principle of a box camera in taking a picture is shown. The rays of light from the object A'B' pass through the opening L and form an inverted image A'B' on the film. How far from a 30' tree must L be placed to produce a 4" image on the film if the film is 8" behind L?
Mathematics