Answer:
. 8 + (7 + 3) = (8 + 7) + 3
Step-by-step explanation:
commutative property of addition
a(b+c)=(a+b)+c
Answer:
231
Step-by-step explanation:
7x21=147
6x17=102
147+102=249
249-18=231
Answer: Letter D 7x21+6x17-18
Bye yw!
Answer:
(3,0)
Step-by-step explanation:
put x-3=0 and solve for it whic hwould be x=3
Answer:
420.7%
Step-by-step explanation:
9) 147
10) 145
greatest common factor is 14 I think