What value of k makes the equation true? a.2 b.3 c.4 d.8

Write a polynomial that fits the description: a third-degree polynomial with leading coefficient -4

What is the measure of angle tvu shown in the diagram below

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.