Which expression is equivalent to xy^2/9? a) sqrtxy^9 b) 9sqrtxy^2 c) x(sqrty^9) d) x(9sqrt^2)

(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

How can we find the measure of an exterior angle if we know the measurement of an interior angle

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44