Pls help with the question in picture

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

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?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.