Derek’s baseball team played 25 games this season. they won 15 games.

write the ratios of wins to losses in simplest form.

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?

The triangles are similar. what is the value of x? show your work.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)