Answer:

Step-by-step explanation:
Given:



(segment addition postulate)
(substitution)
Solve for x
Collect like terms
Divide both sides by -1

Plug in the value of x



Answer:
2
Step-by-step explanation:
Given:
The interval, x = -2 to x = 0.
Required:
Average rate of change from x = -2 to x = 0.
SOLUTION:
From the graph,
If x = -2, f(-2) = 0.
If x = 0, f(0) = 4
Average rate of change = 
Where,


Plug in the values into the formula:


Average rate of change from x = -2 to x = 0 is 2.
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Answer: 1/7 chance
Step-by-step explanation: there is a 2/7 chance to pull it once, cut it in half because you’re pulling it twice hope it helps
His next step would be:
(8 x 10) + (8 x 7)
Why?
Because when using the distributive property, you distribute the number outside of the parentheses to the numbers inside the parentheses, and in this case, we are multiplying so you will multiply 8 by both 10, and 7.
Hope this helps!
If you have any further questions just ask me in the comments!