Roots of f(x)=x^5-8x^4+21x^3-12x^2-22x+20

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air