Factor using the identity: a3 + b3 = (a + b)(a2 – ab + b2) z3 + 8 (z + 2)(z2 – 2z + 4)? (z + 2)3? (z3 + 8)(z2 – 8z3 + 64)? (z + 8)(z2 – 8z + 64)?

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample