Can you color the bricks using 3 different colors so that no 2 bricks of the same color are touching

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?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.