Arnold took a tray of cookies to a party. ninety percent of the cookies were eaten. only five remains. how many cookies were there originally on arnold's tray? a) 4.5 cookies b) 5.55 cookies c) 45 cookies d) 50 cookies

Which ahows the graph of the solution set of 6x+4y< 12

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?