Ineed to find out the greatest x and smallest x intercept and you

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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.