Simplify the expression using the order of operations. 
A. 2
B. 29
C. -3
D. 3
Answer: C
Mathematics
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Perform the addition and simplify.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the x-axis and the semicircle y = 
A. 
= 
, 
= 0
B. 
= 
, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Mathematics
Rewrite
using radicals.
Mathematics
Express the following in interval notation.x < -50
A. (-?, -50) B. (-50, ?) C. [-50, ?) D. (-?, -50]
Mathematics