Which option correctly uses commas to set off a nonrestrictive clause? A. Plato who was, a Greek philosopher, wrote the tragic story of the
ancient civilization Atlantis.

B. Plato who was a Greek philosopher, wrote the tragic story of the
ancient civilization Atlantis.

C. Plato, who was a Greek philosopher, wrote the tragic story of the
ancient civilization Atlantis.

D. Plato who was a Greek philosopher wrote the tragic story of the
ancient civilization, Atlantis.

ethos, logos, and pathos.

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

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.