Grace's height and the tree's height are related by equivalent ratios
The height of the tree is 2.00 meters
Grace's height is given as:

When she measured the length of the tree's shadow, we have:
--- the length of her shadow
--- the length of the tree's shadow
The height (H) of the tree is calculated using the following equivalent ratio

Substitute known values

Express as fractions

Multiply both sides by 1.65

Simplify

Hence, the approximated height of the tree is 2.00 meters
Read more about equivalent ratios at:
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Answer: 
Step-by-step explanation:
I looked it up on my calculator. I hope this helps!! :)
Answer:
0.3
Step-by-step explanation:
To find this probability, we need to know the distance from point H to P and the distance from point L to K, and then the probability of a random point in HP being inside LK will be the division of the distance from L to K by the distance from H to P:
H to P: distance = 15 - 5 = 10
L to K: distance = 10 - 7 = 3
Probability: LK/HP = 3/10 = 0.3