Please help me!! This is due tonight! Please write the steps also! Will mark brainliest

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Written as a simplified polynomial in standard form, what is the result when (2x+8)^2(2x+8) 2 is subtracted from 8x^2-38x 2 −3?

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z