1/2 fraction of whole carton was used for each serving
Answer:
The kilometer by walking = 4.32 km
The kilometer by bus = 30.77 km
Step-by-step explanation:
Please find the attached files for the solution

The only order pairs among the given options that represent a function is :
- (9 , -3) , (9 , -1) , (9 , -1)
Because : To be a function, every element of domain (x) can have only one unique value y, and if we get more than two values of y for same x, it isn't a function at all.
Answer:
It is in standard form because the exponents are in order from highest to lowest.