Anyone know this

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

If jklm is a trapezoid, which statements must be true?

Given f(x)=3x-5 describe how the graph of g compares with the graph of f.