Is 15 ft, 36 ft, 39 ft a right triangle?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Plot the intercepts to graph the equation

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]