Subtract 14pqr − 2qrs + 10prs from 6pqr - 5qrs - 7prs

Help needed and quick

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

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.