headphones that originating cost 80$ were marked up to 92$. By what percentage were the headphones marked up

What are the coordinates of the point is 1/4 of the way from a (-6, -3) to b (6, 1)? a. (-3, -2) b. (0, -2) c. (-1, 0) d. (3, 2)

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?

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?