5x-9=2x+12
can somebody answer this and if possible, can you show work?​

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62