if casey places 890 in a savings account how much interest will he earn in 12 years at a 5% simple interest rate

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?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Which graph represents the equation y =4x