Find the indicated sum or difference, if it is defined.
- 
A. 
B. 
C. 
D. not defined
Answer: B
Mathematics
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Solve the problem.Find the equation of the tangent line to the curve 
+ 
= 1, at the point 
A. -14
x + 7y = 9
B. 14
x - 7y = 20
C. 2
x - 7y = 20
D. 2
x + 49y = 20
Mathematics
Provide an appropriate response.Is 
proportional to 
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the perimeter. Use 3.14 for ?.
A. 42.98 in. B. 31.99 in. C. 49.98 in. D. 38.99 in.
Mathematics
Simplify the rational expression.
A. -23mp
B. - 
C. -23m4p2
D. - 
Mathematics