Completely factorize (2x+3)^-2 + 2x(2x+3)^-3

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?

Polynomials plz quick 1: subtract and simplify (–y^2 – 4y – 8) – (–4y^2 – 6y + 3)