Find the substance's half-life, in days.
Round your answer to the nearest tenth.
5/12

Find two rational expressions that have the difference of 2-n/n-4

Ined this is due tomorrow and i dont know the answer can you find all the exponents

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )