Answer:
2 x + 6 . 8 = 8 x + I . 4
8x _2x = 6.8 - 1.4
6x = 5.4
X= 0.9
2x+ 6-8= 2×0.9 + 6.8 =8.6
Basically it's d because they are all alive hypothetically
Answer:b.y=5x
this is the answer to your question
answer: (-6,6) that's youre answer
2:3 is equivalent to 0.666 repeating
If you have any further questions feel free to ask.
Hope this helps.