samuel bounced a bouncy ball. part of the ball's path, including its highest point, is
described by the function below, where f(x) is the height of the ball in inches. according
to the function, what is the ball's maximum height, in inches? (use only the digits 0-9 to
enter the height.)
f(x) = -x2 + 12x

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?