Expand. Your answer should be a polynomial in standard form.
(2z - 1)(z^2 – 2z+ 1) =
PLS HELP

3(10x-y)-5(x-y^2) need this solved asap

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Find the nonpermissible replacement for binthis expression.b2/5b +5