Answer:
The 3-year loan is cheaper overall.
The 3-year loan’s monthly payment would be higher.
The 5-year loan, is more expensive overall.
The 5-year loan’s monthly payment would be lower.
Answer:
-864
Step-by-step explanation:
The determinant of a matrix product is the product of the determinants. The determinant of a transpose is the same as the determinant of the original. Hence ...

The multiplication of an n×n matrix by a scalar 'a' multiplies its determinant by a^n, so the desired determinant is ...

3550 to the nearest 1000 would be 4000