Given that line ts is a midsegment of pqr find x

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

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?

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15