CAN SOMEONE DO THESE QUESTIONS PLEASE? ITS ALL WORTH 30 POINTS! PLEASE HELP IM FAILING MATH.

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

Use the distributive law to multiply. 3(4x + 5y + 6)