Answer:

Step-by-step explanation:
we know that
The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8
so

Step-by-step explanation:
um I will help mmmmmmmmmm
Answer:
True
Step-by-step explanation:
It pases vertical line test but does not have an inverse
3 kilograms because 1,000 grams is equal to 1 kilogram