What three factors could contribute to a source not being credible

Ineed on this app i was at ambitious but then all of the sudden i got put back to about 30 points. is there something i can do about this, because i lost all of my progress in this app.

In the story “seventh grade” how do victor’s hopes and expectations about teresa at the beginning of the school day compare with his hopes and expectations about teresa at the end of the school day?

Me with this questions i really need them right 4. any complex sentence contains a. independent clauses only b. dependent clauses only c. one independent clause and one or more dependent clauses d. neither independent clauses nor dependent clauses 5. an appositive is a phrase or clause that a. is a noun or group of words acting as a noun b. is placed right next to a noun c. gives more information about a noun d. all of the above 6. select the correctly punctuated sentence containing appositve. a. the vocational counselor an experienced placement specialist has agreed to me get a job. b. the vocational counselor, an experienced placement specialist has agreed to me get a job. c. the vocational counselor an experienced placement specialist, has agreed to me get a job. d. the vocational counselor, an experienced placement specialist, has agreed to me get a job.