You consider celebrating and praying to “Saints” as Biblical or “Tradition”?
Holy Water?
Mary being sinless and co-redeemer with Christ?
Salvation only possible through the RCC?
Rosary & other repetitive pagan style prayers?
Sacraments as necessary for salvation?
Worship of the Eucharist?
Salvation includes Muslims? (your Pope says so as do your bizarre Catechism)
(2) Yes
(3) Yes, and No. "Co-redeemer" is not a Catholic dogma. You might want to refer to Dominus Iesus, the Declaration reiterating the constant teaching of the Church on Jesus' being the unique (only, sole) and universal savior.
(4)Yes, with a kibosh on the word "Roman"
(5) Tendentious question. As for pagan, singing is a "pagan" prayer style; use of musical instruments is a pagan prayer style; in fact, everything in "Judeo-Christian" culture has possible antecedents or congruent practices in previous or contemporary "non-JC" societies, including praying in dedicated buildings; reading from sacred texts; calling God "Father"; fasting and almsgiving; and making offerings of bread and wine.
As for repetitive, you ought to consider a recitation of Psalm 119.
(6) Yes.
(7) Yes.
(8) The Catechism makes no statement on the salvation of Muslims as Muslims, but says that they (like Jews, non-believers, and all the rest of the human race who ae discussed in this section of the Catechism) are "part of the plan of salvation," inasmuch as they are called to repent and believe the Gospel. This section includes with this paragraph:
#848:
"Although in ways known to himself God can lead those who, through no fault of their own, are ignorant of the Gospel, to that faith without which it is impossible to please him, the Church still has the obligation and also the sacred right to evangelize all men."