Can someone help me ASAP plzz

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

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?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15