Solve the equation.
y2 = 39
y ≈

Can someone explain the elimination method to me for this problem?

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?

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh