PLS HELP What is the most helpful element in the periodic table of elements, and what, in your opinion, is the best element?

If a system of linear equations has the unique solution (2, −3), then its graph consists of what? parallel lines lines that intersect at a single point identical lines a y-intercept at −3

The annual earnings of a typical investor are question options: $1,000,000 to $10,000,000. $100,000 to $500,000. $60,000 to $200,000. $40,000 to $80,000.

If you observe an object in the universe that is roughly 8 megaparsecs in size, what is the object most likely to be? a. elliptical galaxy b. irregular galaxy c. ultra-compact dwarf galaxy d. galaxy group e. galaxy cluster