Find the given power. Write the answer in standard form.(1 + i)20
A. -1024i
B. 1024
C. -1024
D. 1024i
Answer: C
Mathematics
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+ 1
A. 
B. - 
C. - 
D. 
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region in the first and fourth quadrants enclosed by the curves 
and 
and by the lines 
and 
A. 
= 0, 
= 
B. 
= 
, 
= 0
C. 
= 
, 
= 0
D. 
= 
, 
= 0
Mathematics
Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 352 ft B. 176 ft C. 18.8 ft D. 22 ft
Mathematics
Use identities to simplify the expression.
A. sin w B. 1 C. sin2 w D. sin w cos w
Mathematics