Drag each term to the correct location on the expression. each term can be used more than once, but not all terms will be used. completely factor this quadratic expression: 4x2 + 12x ? 72. x 1 4 x2 8 4x 3 2

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