When completely factored, 3x2−48 equals -

What is not true about kl and mn? what is mn? (show your work)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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.