Determine the similarity transformations that verify

triangle ABC ~ triangle A"B"C'.

The first transformation mapping triangle ABC to triangle A'B'C' is

The second transformation mapping triangle A'B'C' to

A"B"C' is a

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Ihonestly have no clue if it's each or none.