Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
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Use the table of integrals to find the given integral.
?
?
A. 
B. 
C. 
D. 
Mathematics
Given an exterior angle of ?ABC.
Mathematics
Use the arc length formula and the given information to find the indicated quantity.s = 8.1 ft, ? = 
rad; find r
A. 
ft
B. 
ft
C. 48.6? ft
D. 24.3? ft
Mathematics
Find an equation for the ellipse described. Graph the equation.Vertices at (5, -4) and (5, 8); length of minor axis is 6
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics