Answer:
8) x = 12
9) x = 12
Step-by-step explanation:
Use geometric mean of legs

x=12
10)
Use geometric mean of legs

x=12
I think 2100
I'm not sure dont blame if it's wrong
Answer:
The width of the poster is 32 inches.
Step-by-step explanation:
8*4=32
Answer:
Step-by-step explanation:
If u = 6 then substitute so
6(6+6)=6 know solve but this isn't going to be correct because 6 plus 6 is 12 times 6 isn't 3
So your answer isn't correct. I think it would be a negative number or decimal because 6 is larger than 3. Hope this helps!
it is u(u+6)=3
I got u=6