Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis
A. 
?
B. 9?
C. 
?
D. 3?
Answer: B
Mathematics
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 2, an+2 = an+1 - an
A. 1, -2, 3, -4, 5 B. 1, 2, 1, 0, -1 C. 1, 2, 1, -1, -2 D. 1, -1, 2, -3, 5
Mathematics
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Carol and Lu Yi carry a total of 5.5 liters of water as they begin a day hike. How many gallons of water are they carrying, to the nearest tenth?
A. 5.2 gal B. 20.8 gal C. 1.4 gal D. 5.8 gal
Mathematics
Let 
. Find 
.
?
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Mathematics