Use the identity below to complete the tasks: a3 - b3 = (a - b)(a2 + ab + b2)
When using the identity for the difference of two cubes to factor

For the equations below which statement is true ? -2x=14 6x=-42

Which one ? is the answer and how to find this answer

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