B is the correct answer. A,C, and D will all give you the correct slope.
9hrs on sleep
6hrs on school
1.6 hrs on job
2.4 hrs on homework
1.92 hrs on meals
4.08hrs on entertainment
Answer:
Linear
Step-by-step explanation:
all values for y have a constant difference of -4.
That makes it linear due to a constant difference
28.3
Step-by-step explanation:
the difference is the answer to a subtraction problem so we can plug in our numbers like this
25.6-(-2.7) which equals 28.3
a good thing to remember when subtracting negative numbers is that a positive and negative won't always make a negative like in this example
The sum of all the measurements is just the average times the number.


So if the average of all 92 is 7 the sum of those is

The average of the last two is 7.2 so their sum is

That means the sum of the first 90 is

so the average of the first 90 is

cm