What fraction of 60 is 20

(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

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?