A≈0.79m² (Hope this helps)
A variable is a letter in the equation.
A, B, and C dont have variables... unless a question mark is considered a variable at your school (I dont consider it a variable).
D has an x in the equation, so D has a variable.
Answer:
18/12
Step-by-step explanation:
18- rise
12- run
What is the whole question we just have a guy pointing at a board.