Find the vertex and the y-intercept of the graph of y = -x^2 + 14x - 47

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.

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship