Which of the parallel lines that appear in the graph would be parallel to a line with a slope of 3 and a Y intercept at 03

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.