Answer: 
Step-by-step explanation:
Given
CE=85

In
, using trigonometry

Her total amount of pencils is b+y
1 gallon (it’s stayed in the question)
Answer:
The tree is 12 feet tall
Step-by-step explanation:
Let a represent the length of where the bird was sitting to the oak tree
let b represent the height of the tree
let c represent the length at which the bird flew
by pythagoras theorem
c²=a²+b²
b²=c²-a²

subtitute in the values



