How many solutions does this problem have 7(y+3)=5y+8

Which of the following of the following sets of side lengths could not form a triangle?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?