Factor completely x2 + 16

Is the orthocenter of a triangle on the inside ?

What is the vertical asymptotes of the function f(x)=x-2/x*2-3x-4

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest