What number would you add to complete the square for the equation below?

X^2+14x=0

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that