I need help with this

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

What statement is true? 2x^2-9x+2=-1

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