Tell whether the lines through the given points are parallel, perpendicular, or neither.

line 1: (−3, 1), (1, 9)

line 2: (−2, −9), (−1, −7)

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

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.

Solve for x and select the correct answer