Write a function called is_identity that takes a list of lis…

Write a function called is_identity that takes a list of lists representing a matrix of integers as its only argument and returns True if it is an identity matrix, False otherwise. Identity matrices have all ones on the diagonal, zeroes everywhere else. Examples: Be sure to use meaningful indentations, as this will be graded. Copy and paste are disabled, but you can test your code in https://www.w3schools.com/python/trypython.asp?filename=demo_compiler

The Thompsons currently have a mortgage on their home with a…

The Thompsons currently have a mortgage on their home with a balance is $875,000. Mortgage rates have recently dropped and they are considering refinancing their mortgage to save on the interest and potentially increasing the amount refinanced to pay off credit card debt.   Which of the following statements would you tell the Thompsons in regards to the above facts?  1. The Thompsons can refinance the credit card debt into the refinanced mortgage and deduct  the full amount of the interest.2. The Thompsons can refinance the existing $875,000 mortgage and deduct the interest on the entire amount.3. The Thompsons can take out a home equity loan their credit card debt and can fully deduct the interest.

Stacie recently graduated from college and has student loans…

Stacie recently graduated from college and has student loans that she took out to finance her education – as such Stacie has the primary obligation to repay this debt. As a graduation gift, Stacie’s parents agreed to pay her student loans to help her get established. During the year, Stacie’s parents paid $15,000 of her student loan payments of which $3000 was interest.  How much can Stacie’s parents deduct on their tax return for student loan interest? Assume they are under the AGI limits.  

Rob Davis is thinking about building an addition to his home…

Rob Davis is thinking about building an addition to his home in Rio Linda. The house was recently appraised at $239,500, and the balance on his existing first mortgage is $89,950. If Rob’s bank is willing to loan 75% of the appraised value. What is the equity in the house?