Which of the following are roots of the polynomial function? Check all that apply f(x)= x^3-3x^2+2

Name two numbers whos difference is -3

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1

This question is hard for me to answer can you me. the question is find the value of x.