Please dont flag this question as this is the full question in textbook

Can someone please help me with this.

1. regarding regression analysis involving only one independent variable.

a. the best method for solving this is a visual fit of a line to the data.

b. best method for solving requires "hyperplane" fit to data

c. least squares method is mathematically the best way to apply it.

d. the dependable variable is used to predict the value of independent variable.