Only God is worshiped by Jews.
Jews have immense respect for Abraham and consider him a prophet because he abandoned the polytheism of the Chaldeans in Mesopotamia and followed God's command without question and become the progenitor of numerous peoples: Israelites, Edomites, Ishmaelites/Arabs. But he is not worshiped.
Absolutely not. Judaism is a monotheistic belief system in which God is the only one to be worshiped. Worshiping mortals or any physical objects is considered idolatry.
Jews pray to God
Jews pray to God.
Jews pray in a synagogue.
Jews pray to God.
pray
Joshua took over the leadership of the Jews, after the death of Moses.
Jews pray only to God, not to any person or prophet. Muslims also pray only to God and definitely do not pray to their prophet!
The only Christians that would pray to Mary are Catholics, so the answer is no. Some Messianic Jews are Catholic, but this is rare. The majority of Messianic Jews are Protestant Evangelicals and pray as they do.
They pray in the synagogue (a.k.a. Shul).
Christians and Jews believe that there is one true God. Christians and Jews pray to the same God.
Jews pray facing the east-in the direction of Jerusalem
Synagogues.