What is the mean of this table

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Write an introductory paragraph for this corrie ten boom and her family were faced with some difficult choices after hitler came to power. some family members paid the ultimate price. write a carefully thought-out paper of at least 200 words dealing with the following concepts: --how should a christian act when evil is in power? --what do you think it would be like to live in an occupied country? remember to proofread anything you write thoroughly.

Put the equation in slope intercept form by solving for y