The interquartile range of the data set is_?​

What is the slope of the equation y =

How many zeros does this polynomial function, y=(x-8)(x+3)^2

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?