Which term must be inserted in the dividend before you begin long division? (2x^3 + 5x^2 +9) / (x + 3)

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.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only