How many centimeters equal 9 meters

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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 ?

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"