Solve for x.
163 - x = -52
A. x = -215
B. x= -111
C. x= 111
D. x= 215

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?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Which statement justifies why angle ebc measures 90?