Answer:
Step-by-step explanation:
3(a+3)-6=21
<=>3a+9-6=21
<=>3a+3=21
<=>3a=18
<=>a=6
Answer:
-3 and 1
Please Mark Brainliest If This Helped!
B it’s b I think I did same one
Answer:
800
Step-by-step explanation:
2826 around to the nearest hunderd is 800
Answer:
240000000 times bigger.
If we solve 3x10^8 we get 300000000
Then if we solve for 6x10^7 we get 60000000
Subtract those two using long subtraction to evaluate and we get 240000000
