Erica knits 39 on friday just add 21 and 18 then u get 39 hope i helped
Answer:
b+3a
Step-by-step explanation:
MN=AN+AM
AN=0.5*AB
AB=OA+OB=4a+2b
AN=2a+b
AM=OA-OM=4a-3a=a
MN=2a+b+a=3a+b
Your simplified answer is 10 (ten)
Answer:
7
Step-by-step explanation:
4+6+7+8+10= 35/5= 7
Median and Mean= 7