Taylor is twice as old as jessi if you add their ages together you get 27 hold old are Taylor and jessi

Taylor is 14 and Jessi is 13

Step-by-step explanation:

Since you can't divide 27 by 2, you would most likely break it in half. SInce the question states that Taylor is still older, she would be 14, and Jessi 13.

a. the residual plot for model 1 has a random pattern and is a good fit for the data.