9.889 more words so i can post this
Plug in 6.5 for x.
-8.5x-3.5x=-78
-8.5(6.5)-3.5(6.5)=-78
-55.25-22.75=-78
-78=-78
3 because 3•3 is 9 and 9•3 is 27
Answer:
-9/8
Step-by-step explanation:

Answer:
the area= 12.25 one side =: 1.5 then the dimension then answer is 13.75