Simplify.36-1/2
A. 
B. 
C. -18
D. -6
Answer: B
Mathematics
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Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 378.08 B. 189.04 C. 324.07 D. 265.13
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 9, ? = 150°
A. v = 9
B. v = 9
C. v = 9
D. v = 9
Mathematics
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.
x = 71 - x
A. 
? 0.665
B. 
? 1.322
C. 
? 1.504
D. ln 
- ln 7 ? -0.965
Mathematics
A set contains thirteen elements.
?a) How many subsets does it? have? ?b) How many proper subsets does it? have?
Mathematics