HELP HELP PLEASE!! D:
Determine the missing side length!!
PLEASE NO CAP!!

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

It says factor each expression completely 8y+48

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?