12=-5 - 6n + 11 solve multi step equations

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

If chord ab is congruent to chord cd, then what must be true about ef and eg?