Find the length of the circular arc associated with the angle ?. An angle of measure 
in a circle of radius 2
A. 
?
B. 
C. 
D. 
?
Answer: D
Mathematics
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Identify the number represented on the abacus.
A. 99,999 B. 11,111 C. 55,555 D. 66,666
Mathematics
Solve.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 7 hours. How long will it take them to do the job if they work together?
A. 
hr
B. 
hr
C. 
hr
D. 7 hr
Mathematics
List all the factors of each number.10
A. 2 + 5 B. 2 ? 5 C. 2 ? 7 D. 2 ? 6
Mathematics
Solve the problem.Find the mass of a thin plate bounded by 
if 
.
A. 
B. 625
C. 
D. 
Mathematics