Who has the most point in 100 point for whomever tells me and a brainlist if corect

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

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 ?