Using both seat-belts and shoulders straps is important because they:

Seat-belts give support in cars, buses, trucks, etc because if you get in a crash (an accident), they hold you back and don't let you hit your head or fly off the car. Shoulder straps help you for when you are riding a bike, scooter, or rollerblades, you won't hurt your shoulders when you fall. 
Hope I Helped!

Generally from flying out the front windshield or falling in the floorboard and getting crushed and whatnot, mostly so you don't leave your seat during the wreck

Not the answer but here is the graph. 

2.a rent payment4.renters insurance5.a security deposit6.utility paymentsare the correct  answers