Chose the correct solution set for each graph. o {x1x2-2}
{xlx5-2}
0 (-5,00)
0 (-00,-5)
o {x1x>-5}
o {x}x<-5}
fx2 {x12 {x1-3 0 (-2,00)
o [-2.2]
o (-2,3)
0 (3,-2)
O
(-00,-2)
{x1x2-5}
DONE
DONE
DONE

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g