Answer:
4-9 = 4+(-9)
-6-7 = -6+(-7)
-4-(-9) = -4 + 9
6-(-7) = 6+7
Step-by-step explanation:
Double negatives means a positive and one positive and one negative is a negative.
Please give brainliest. I am working hard to get it.
86 years old because you subtract 2017-1931
It would be (3,0) and (0,3) respectively.
The correct answer is B. -2/3 that is the slope
