Which statements are true about the process for adding and subtracting the rational expressions? Select three options. The expression is not defined when x = –1. The first step in the simplification is . The denominator of the fully simplified expression will be x – 1. The numerator of the fully simplified expression will be –3x. The numerator of the fully simplified expression will be –3x + 10.

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?