Which of the following describes a linear function

I'm confused on this could anyone me and show me what i need to do to solve it.

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.