In the triangles, tr = ge and sr = fe. Triangles s t r and f g e are shown. Angle s r t is 56 degrees. Angle f e g is 42 degrees. Sides t r and g e are congruent. Sides s r and f e are congruent. If line segment g f = 3. 2 ft, which is a possible measure of line segment t s? 1. 6 ft 3. 0 ft 3. 2 ft 4. 0 ft.

It depends on the subject for me. some exams are easier than others so i usually go through it and answer questions i know based on my general knowledge, then double check after. going through the lesson can a lot  because the exams can be  very lesson-specific, but sometimes they are ridiculously long so a lot of people don't take the time. i did find that, when i went through the lessons, i was making 100's on my exams vs strictly using + the internet and  i make 90's. 

Each eukaryotic cell has a plasma membrane, cytoplasm, a nucleus, ribosomes, mitochondria, peroxisomes, and in some, vacuoles; however, there are some striking differences between animal and plant cells.