Five out of six residence In Mayville have a library card which tool would best allow Darren to simulate this scenario

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i