3(c+2)=36 what is c=?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Twelve less than a number is at most 20

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.