Abag contains fifteen red balls, twelve pink balls, and eight yellow balls. you pick one without looking. what is the probability that the balls wil be either yellow or pink?

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking: