What is the area of a circle with a diameter of 12.6 in.? use 3.14 for pi and round your final answer to the nearest hundredth

Ineed with number 17 i don’t get it at alll

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?