PLEASE HELP !!

ILL GIVE 40 POINTS !

PLUS BRAINLIEST!!

NO LINKS OR FILES.

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected