Answer:

Step-by-step explanation:
The complete question in the attached figure
we know that
The <u><em>Triangle Exterior Angle Theorem</em></u> states that: An exterior angle of a triangle is equal to the sum of the opposite interior angles.
In this problem

solve for x

H(x) = -5x - 10
h(-2) = -5(-2) - 10
h(-2) = 10 - 10
h(-2) = 0
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Answer:
no
Step-by-step explanation:
the length of the smaller sides have to add up to the length of the largest side
Answer:
8h=30
Lizbeth can not climb for 4.5 hours.
Step-by-step explanation:
If you plug in 4.5 for h you get
8(4.5)=30
36 does not equal 30
Therefore Lizbeth can't climb for 4.5 hours