Answer:The right answer is (B)
Step-by-step explanation:
Your welcome
Answer:
Step-by-step explanation:
a 6(m+3)
b expression
equation
Answer:
7 hours
Step-by-step explanation:
47+23=70
1hour = 70 toys
? = 490 toys
Then you cross multiply:
1hour*490 toys= 490/70 = 7 hours
____________
70 toys
I just did this I’m gonna have my friend come and answer this for u
![(4a+7b-12c)-(8a-9b+12d)\\4a+7b-12c-8a+9b-12d](https://tex.z-dn.net/?f=%284a%2B7b-12c%29-%288a-9b%2B12d%29%5C%5C4a%2B7b-12c-8a%2B9b-12d)
Negative multiply negative = Positive
Negative multiply positive = negative
![-8a+4a+9b+7b-12c-12d\\-4a+16b-12c-12d](https://tex.z-dn.net/?f=-8a%2B4a%2B9b%2B7b-12c-12d%5C%5C-4a%2B16b-12c-12d)
Thus the answer is -4a + 16b - 12c - 12d.