One truck delivered 3 4/5 tons of potatoes to a warehouse while another truck delivered 1/2 ton less. how many tons of potatoes did the two trucks deliver altogether?

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

The price of a coat increased from $78 to $92. what is the price increase percentage?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?