Awill is an agreement whereby a person or bank manages the estate according to the specific directions of the owner of estate true or false

Which statement justifies why angle ebc measures 90?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Which graph of a hyperbola represents the equation 16x^2-y^2=16