Which is the best definition of an exterior angle of a triangle

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Two numbers have a sum of -19. one number is x. what expression represents the other number?