-7x is less than or equal to -21 What is the x value? Plz get back I need help with this soon.

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

(60 points) explain this in detail

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?