Solve the equation and enter the value of d below. 6d + 7 d= 39​

Could someone with number 1 and 2

Write the expression 7x^3-28xy^2 as the product of 3 factors

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 ?