The answer will be similar as 7x20=140 and 7x2000=14000, the answers are the same but x100 as 140x100=14000
20x100=2000
1.3n (it can be simplified like any other equation just add like terms and remember there is a one before every variable)
Easy peasy, this is a representation of differnce of 2 perfect squares
a^2-b^2=(a-b)(a+b)
Answer:
y = 55x + 15
Step-by-step explanation:
i think this is it, but it might not be right