What is the value of x in this logarithmic equation?

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

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.