Find the moment or center of mass of the wire, as indicated.Find the moment about the y-axis of a wire of constant density that lies along the curve y = x2 from 
to
A. 
B. 
C. 
D. 2
Answer: A
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Find the requested measurement. Use ? ? 3.14 and round your answer to the nearest hundredth.Find the circumference.
A. 14.76 cm B. 7.38 cm C. 17.34 cm D. 29.52 cm
Set up the linear programming problem.Mrs. White wants to crochet hats and afghans for a church fundraising bazaar. She needs 5 hours to make a hat and 3 hours to make an afghan, and she has no more than 54 hours available. She has material for no more than 14 items, and she wants to make at least two afghans. Let x = the number of hats she makes and y = the number of afghans she makes. Write a system of inequalities that describes these constraints.
A. 5x + 3y ? 54 x + y ? 14 y ? 2 B. 5x + 3y ? 54 x + y ? 14 y ? 2 C. 3x + 5y ? 54 x + y ? 14 x ? 2 D. 5x + 3y ? 54 x + y ? 14 x ? 2
Perform the indicated operations.-7 + (-10 + 12) + 14
A. -43 B. -19 C. -15 D. 9
List the proper fractions in the group.
, 
, 
, 
, 
A. 
, 
, 
, 
, 
B. 
, 
, 
C. 
D. 
, 
, 
, 