Answer:
8x + 9
Step-by-step explanation:
Treat the question as 2 separate brackets
First expand 3(2x + 1) :
6x + 3
Then expand 2(x + 3) :
2x + 6
Now add the two answers together and simplify :
= 6x + 3 + 2x + 6
= 8x + 9
hope this helps :)
Answer:
100 of the baloon will fill up the tank
Step-by-step explanation:
use volume of sphere formula ;
(pi/6) x diameter cubed
write your answer to 1 decimal place
then divide the volume of tank bye the volume of the baloon
you'll get 100, if you rounded up your answer to 1 decimal place
Answer:
increases
Step-by-step explanation:

First subtract 11

Then divide by negative four
Then you'll get x= 2
So the answer is 2