5. Solve the system by graphing. Check by substitution. Sy=3-4
y=x+2
A)How many solutions does the system of
equattons have? Explain
your answer.

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?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

State one method by which you can recognize a perfect square trinomial.