The US Taxpayers.
no
All members of the House of Representatives and the Senate are paid in full by the U.S. Treasury, which ultimately gets its money from the tax payers.
the us government and their salary is set by the law
The two US Senators representing Washington are Patty Murray and Maria Cantwell.
Only states have U.S. Senators.
They work in washington, but they live in their states
Each State has two US Senators and Washington DC being a Federal City is not a State and and is granted no representation in the US Senate.
I don't know for what year your asking, but Patty Murray and Maria Cantwell are the current US Senators
The two US senators who represent you in Washington DC depend on the state you live in. Each state sends two senators to represent them in the United States Senate. You can find out who your senators are by searching for your state's senators or using online resources such as the official website for the United States Senate.
Patty Murray and Maria Cantrell.
Senators are not "elected", as such, they are appointed. So no one pays for their elections. Their salaries and other expenses are paid out of the general tax funds. However, this answer is going to come as a surprise to voters, as they do have elections every 6 years.
Two. All states have two. The State has two US Senators and the state legislature has 49 State Senators.