What is the relationship between the bridge strength and bridge thickness?

If its non of them tell me..valerie took a day-trip. she drove from her house for a while and took a coffee break. after her coffee break, she continued driving. after  2  hours of driving after her coffee break, her distance from her house was  210  miles. her average speed during the whole trip was  60  miles per hour.valerie created the equation  y−210=60(x−2)  to represent this situation, where  xx  represents the time in hours from her coffee break and  yy  represents the distance in miles from her house.which graph correctly represents valerie's distance from her house after her coffee break?

Iready kara is sorting buttons by length for a craft project the line plot shows the length of each button if kara lines up all the 3/4 inch buttons,what would be the total length

At the height of about 212 meters one shell square is the tallest building in new orleans marlin is creating a scale model of this building using the scale 250 meters = 1 meter to the nearest tenth of a meter what will be the height of the scale model