Ricardo is 30 years old. He plan to retire when he is 60. He has opened a retirement account that pays 3.5% interest compounded monthly. If he makes monthly deposits of $400, how much will he have in the account by the time he retires?

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?

Can someone, me with this.i really need with this

Simplify the algebraic expression 8y-2(y+4)