Find the centroid of the thin plate bounded by the graphs of the given functions. Use ? = 1 and M = area of the region covered by the plate.g(x) = x2 and f(x) = x + 2
A. 
= 
, 
= 2
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 2, 
= 
Answer: C
Mathematics
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Perform the indicated operation.33 tons 1600 lb ÷ 8
A. 4 tons 450 lb B. 4 tons 201 lb C. 4 tons 200 lb D. 5 tons 200 lb
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Find the missing value. Round time to the nearest period, interest rate to the nearest whole percent per year, and money to the nearest cent.Principal: $36,785Compound amount: $51,555Interest rate: 8%Compounded: quarterlyTime: 
years
A. 3.26 B. 4.26 C. 5.26 D. 6.26
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Solve the system as matrix equations using inverses.- 2x1 + 6x2 = 6 3x1 + 2x2 = 13
A. (-2, -3) B. (2,3) C. (-3 , - 2) D. (3,2)
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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. 
C. (0, 4)
D. none
Mathematics