What is the range plss help

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?

Anya is making throw pillows and is choosing the type of filling and type of fabric pattern. complete each statement below about the pillow options.

Sheila and her study partner flipped a coin 120 times. they flipped 70 heads and 50 tails. what is the experimental probability that the next flip will be heads up?