Is `(1,4)` a solution to the system: y=3x+1 y=-x+5

How do you determine whether a relationship represented as as graph is linear or nonlinear

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

Simplify the following expression 48^1/2