Avideo game system and several games are sold for $ 648. the cost of the games is 3 times as much as the cost of the system. find the cost of the system and the cost of the games.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16