E Radius OB measures x units. Which expression
represents the circumference of the smaller circle with
radius OA?
o ( 1x units
( 39 )xtunits
2TTx units
6Ttx units

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?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Factor and solve to find roots x squared -x - 90 =0