True or false?The intersection of the set of nonpositive rational numbers and the set of whole numbers is {0}.
A. True
B. False
Answer: A
Mathematics
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Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = x, g(x) = 7x + 7
B. f(x) = -
, g(x) = 7x + 7
C. f(x) = 
, g(x) = 7x - 7
D. f(x) = 
, g(x) = 7x + 7
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region cut from the first quadrant by the circle x2 + y2 = 64
A. 
= 0, 
= 
B. 
= 
, 
= 
C. 
= 4, 
= 4
D. 
= 
, 
= 
Mathematics
Convert the area as indicated.4.58 square kilometers to square meters
A. 45,800 m2 B. 458,000 m2 C. 4580 m2 D. 4,580,000 m2
Mathematics
Multiply and reduce to lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics