Answer: 6
Step-by-step explanation: Process of elimination, 12 seems fairly bigger than it so we cross that out and everything above, now all that’s left is 6 and 10, 10 + 2 is 12 so no, but 6 +2 = 8 so that is your answer.
Answer:
B. 
Step-by-step explanation:
The given circle is centered at
and has radius 3 units.
The equation is given by

where (a,b) is the center and r is the radius.
We substitute the values to obtain;


Answer:
Step-by-step explanation: If Professor Lam grades 4 papers per hour, in 11 hours he will graded 44 papers. (11 x 4= 44). He had previously graded 6 papers giving him a total of 50 papers graded. His assistant can grade 5 papers per hour, thus it would take him 10 hours to grade the same amount of papers as Professor Lam. (10 x 5= 50) Thus: 11 hours Professor Lam 50 papers graded; 10 hours his assistant 50 papers graded.
Answer:
D
Step-by-step explanation:
Step-by-step explanation:
If I'm not wrong it should be 27.93