Which of the number(s) below are potential roots of the function?
p(x) = x4 + 22x2 – 16x – 12

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

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.