What is the meaning of XII in roman numeral​

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph