Graphics in a functional text like instructions for programming your iPod should be . helpful for understanding the directions
purely decorative
present to take the place of reading
included for people who would rather view a diagram than read

purely decorative

Explanation:

since it uses calligraphy and different fonts, and in web design it's for css

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.

the third answer is right : )

i hope this you with your work! : )