Do you mean the number month it is? if so it’s the 9th month in the year
If you’re solving for x, it’s x=2,-4
An equation typically has a slope. Since there is no equation given, I am assuming that 1/7 is the slope:)
1/7 simplified into decimal form is is 0.1428!
The answer is interval.
Each weight is increasing at an interval of 5 lbs with each child
The answer is C, 8 weeks.