Please help me with this

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Tori examined the pattern of exponents in the table. based on the pattern, which statements are true? check all that apply.

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.