9*(x-1)=2x-7
First get rid of your parenthesis by distributing.
9x-9=2x-7
Then all you have to do is isolate the variable
9x=2x+2
7x=2
so x= 2/7
Answer:
12 in the first option bro
Answer:
D.
Step-by-step explanation:

Answer:
19683
Step-by-step explanation:
As the formula of the geometric sequence:

In the sequence of 1, 3, 9..., you have a1 = 1 and r = 3. Therefore:

Hope this helps!
Answer:
3.8% of 11,500 is 437 so then we would multiply 437 by 3 and get $1,311 then round and get $1,300, I don't if this is right.
Step-by-step explanation: