PLEASE HELP

Thanks, Anyone who answers I appreciate it very much!!

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.