Which are examples of variables?

a. 4 + 6 – 2 = 8

b. x, y, ac

c. +, –, ●, ÷

d. 3, 6, 9, 12

30 points! : ) also! question number two! analyze the connection mlk makes between the emancipation proclamation and the current situation african americans were experiencing. a; martin luther king was speaking about the need to free african americans from slavery, just like abraham lincoln did years ago. b; martin luther king makes the point that 100 years after slaves were freed by the emancipation proclamation, they are not truly free due to continued segregation. c; martin luther king thought life was going very well for african americans, and no further action needed to be taken. he showed extreme gratitude to abraham lincoln. d; martin luther king expressed extreme anger towards abraham lincoln for not ending segregation.

Hatchell landscape architecture firm worked on which two of the following projects

Your school has recently decided to start serving genetically modified food as part of school lunches. give a multimedia presentation to the student council arguing for or against the new policy. include engaging visual elements and strong evidence that support your position.