Consider the spheres shown in figure. Do one or both of the lettered curves in the figure at the right seem to be lines?
A. both are lines
B. l is a line (a great circle), but m is not
C. neither is a line
Answer: B
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Multiply. Write the answer in simplest form. Find both an exact product and an estimated product.
? 
A. Exact: 
Estimate: 20
B. Exact: 
Estimate: 20
C. Exact: Exact: 
Estimate: 12
D. Exact: 
Estimate: 12
For the given function expressed verbally, give a graphical representation. Surveyors use the "link" as a unit of measure. To convert x links to y inches, multiply x by 7.92. Let 
and 0?x?10.
A. 
B. 
C. 
D. 
Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 5, c = 
; find tan A.
A. 
B. 
C. 
D. 
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 