Leo's model airplane uses o.03 l of fuel each minute it flies. lf the fuel tank holds o.5 l, how long can the plane fly without refueling? (round to the nearest o.1 minute.)

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d. y +14z