Answer:
$158.75, if the total balance is due at check out.
Explanation:
Mr. Thomas owes $128.75 and has just increased this by $30 for today's visit. $128.75 (owed) plus $30 (today's visit) equals $158.75.
It may be that the company will allow Mr. Thomas to pay at least 50% ($79.38) or 30% ($52.92), and then pay the rest later.
Answer:
High-energy radiation, such as x-rays, gamma rays, alpha particles, beta particles, and neutrons, can damage DNA and cause cancer. These forms of radiation can be released in accidents at nuclear power plants and when atomic weapons are made, tested, or used.