Which of these elevations is farthest from sea level? -141 feet

-123 feet

-72 feet

-69 feet

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?

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

Aline passes through 3,7 and 6,9 what equation represents the line