What is the length of side x in the triangle below?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

What are the excluded values? m+5/mn+3m

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid