Question 187500
B(t)=0.15t^2+2.22t+17.9
B(12)=.15*12^2+2.22*12+17.9
B(12)=.15*144+26.64+17.9
B(12)=216+26.64+17.9
B(12)=$260.54 Billions are predicted for 2012.