Simplify: (y^2+y-20)/(y^2-2y-8)

Question

Answer: y+5/y+2

2)Simplify: (1+i)/(2-i)

Answer: 1/5+3/5 i

3) Solve 3x^2-8x+4=0 by graphing. If exact roots cannot be found, state the consecutive integers between which the exact roots are located.

Answer: 2; between 0 and 1

Thanks for your time in checking my answers.

Answer 1

all correct.