Answer:
A: 10.9
Step-by-step explanation: -2.3 is 2.3 away from zero then add the length from zero to the postive number which in this case is 8.6, therefore the equation is 2.3 + 8.6 = 10.9
X=1, x=-7 would be the correct answer.
A. cause i did it on the calculator so i know its right
I don't Clearly understand your question but I think it is 0.428571
