The greatest interger function, shown below is defined to be the greatest ___ less that or equal to x.

f(x) = [[x]]

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Hi, can anyone show me how to do this problem? 100 points for this. in advance