In the diagram below, the sum of the numbers in any 2 small circles is the number in the large circle between them. Complete the diagram so that the same pattern holds.
A. 
B. 
C. 
Answer: C
Mathematics
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Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. xy
B. xy
C. xyz
D. x
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = x + 1, y = 0, x = -1, x = 5
A. 
?
B. 3?
C. 72?
D. 36?
Mathematics
Given the function f(x) = |x+5|, find f(7).
a. 25 b. 6 c. 12 d.10
Mathematics
Round the number as indicated.545 to the nearest ten
A. 540 B. 650 C. 560 D. 550
Mathematics