
Subtract the 7 and eliminate the 7 then subtract from 13 on the other side.

Answer:
They would get 192.5
Step-by-step explanation:
First we need to find how much it cost per 1 so you will need to dovide 110 by 20 which equal 5.5
Then you will multiply 5.5*35 and get 192.5
Answer:
y is directly proportional to x
Step-by-step explanation:
if y/x = 3
then, y = 3x.
Answer:
- 836
Step-by-step explanation:
Check out the attachment below:

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Factorise a² - b² :
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Crossed out common factors, (x + a) :
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