Answer:
11=10 9 =10 because 5 or more is bring the number up but 4 or lest it rest
Answer:
628
Step-by-step explanation:
216+412 = 628
First you get rid of the brackets by solving what's in them. Then you just add up the numbers and BOOM. The equation is solved. :-)
Answer:
I need more explanation to be able to answer this question.
Step-by-step explanation:
1,6,11,15,18,20,21
The answer to this question is C.