I think a very formal approach is necessary. Perhaps one day approach her after hearing a good sermon and tell her about it, and invite her to come. But definitely be open to her ideas too. If she invites you to go to her church then accept the offer you don't haft to join it can be a visit.
No, they are not the same. Catholics are Christians, but not all Christians are Catholic. Christians are those that believe in Jesus Christ as the son of God. In addition to Catholics, Christianity includes Anglicans, Lutherans, Baptists, Methodists, Episcopalians, and numerous other churches.
For traveling to preach the Gospel in Christ. To visit, encourage, edify, and build up Christians in other lands. To plan where to plant and grow churches.
Most Christians are fine with it. Some Christian churches notably the catholic church are strongly opposed along with their more devout followers
Nondenominational Christians all believe in God. It just means that they have not formally joined a specific denomination or sect of Christianity.
Christians do not believe in reincarnation. Christians believe in Heaven.
Jesus. Jews believe that the Messiah is yet to come. Christians believe that he already came (Jesus Christ).
The Protestant denominations are Christians churches that have separated from the Catholic church in protest over theological interpretations or polices of the Catholic church that they believe to be incorrect.All Protestants are Christian, but not all Christians are Protestant.
All Christians should believe that hell exists because that is what they have been saved from - eternal death. If any Christian does not believe hell exists then they should examine themselves to see if they are "in Christ".
Christians believe there is only one God.
Christians believe that 'life starts' at conception.
According to the Catholic Church, members of the orthodox Churches are technically schismatics, because they do not recognize the pope but have the same basic beliefs. Protestants are technically heretics because they do not believe certain doctrines of the Catholic Church.
The Imitation of Christ is a Catholic book. I'm not sure of the relationship between born-again Christians, fundamentalists, and Catholics. I think they are separate.