Not sure bout this question need some

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

What is the distance between (5 - 2i) and (8 + i)?

Yo! a girl out! prettty : ) i will give brainliest < 3 catherine saved some money and plans to add the same amount each week to her savings account. the table represents the number of weeks that she will save, x, and the total amount of money that she will have in her account, y.