Write an equation of the parabola with focus
( -4/5,0) and vertex (0,0)

Step-by-step explanation:

focus: (-4/5, 0) means the distance from the origin to the focus: a=4/5

y² = -4ax  

y² = -4(4/5)x

y² = -(16/5)x

can you rephrase the question ? it is unclear : -)

step-by-step explanation:

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )