15 POINTS Can someone simplify this as much as possible? ty!

245 = 50 + 1s

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

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.