Suppose someone tells you that she has a triangle with sides having lengths 2.6, 8.1, and 8.6. is this a right triangle? why or why not?

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

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.

Which of the following transformations will always produce a congruent figure?