Catholics don't worship Mary, then venerate her.
"Praying to the dead"
Catholics don't pray to the dead, they pray FOR the dead.
"Purgatory"
Found in Maccabees (Old Testament). Maccabees was tossed out of Scripture by Martin Luther when he re-wrote the Bible to suit his prejudices. Retained by Catholics because they were part of the Septuagint, which is the version of the OT that both Jesus and the Apostles used.
"Vain repetitions of prayers"
Really??? Then why were the Jews, Jesus, and the Apostles constantly singing/reciting the Psalms??? And what, exactly, is a "vain repetition of prayers" anyway?? How can ANY prayer be "vain"??
Catechism 971 - "All generations will call me blessed": "The Church's devotion to the Blessed Virgin is intrinsic to Christian worship." The Church rightly honors "the Blessed Virgin with special devotion. From the most ancient times the Blessed Virgin has been honored with the title of 'Mother of God,' to whose protection the faithful fly in all their dangers and needs ....
"Hail Mary ...". Mary was a human, is now dead. Same with the Apostles. They are dead, praying to them is praying to the dead.
Exclusion of the Apocrypha works was long before Luther and includes St Jerome and Bishop Athanasius of Alexandria. Even Jewish historian Josephus excluded Macabees from the Hebrew Cannon.
Matthew 6:7
But when ye pray, use not vain repetitions, as the heathen do: for they think that they shall be heard for their much speaking.