Is it required to attend church?
Attending church is essential to developing the Christian faith. Christian gatherings have taken place all throughout history. It is necessary to support our brothers and sisters in Christ as our surroundings become faded.
"Not forsaking the assembling of ourselves together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching"
(Hebrews 10:25). 

What is a Baptist Church?
A baptist church simply believes in the bible and baptism by total immersion (in water). 

What is the Trinity?
The Trinity is the most accepted belief in Christianity in regards to God's composition. The Trinity describes One God, but in the form of three persons (God, Jesus, and the Holy Spirit). 7th Street Christian Baptist Church is Trinitarian.

What does it mean to be "saved" from sin? Do the unsaved go to Heaven?
To be "saved" from sin is a declaration of salvation. To be saved, one must ask Jesus Christ into their heart and life. Those that are saved slowly change overtime and become much closer to God in their Christian walk. 
Supporting Scripture: "That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved" (Romans 10:9 KJV) 
In regards to whether the unsaved will go to Heaven, consider John 14:6 KJV:
"Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me"

Is it required to be baptized?
Baptism is essential to our salvation. When evaluating whether one must be baptized, consider the words of Jesus from Matthew 28:19:
"Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost"