How many solutions does the following equation have? 13(y+3)=13y+39

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

This is about circle theorems. someone asap : (