If you could help I would really appreciate it, but if not that’s fine. Thank you.

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17