Let
t = time, hours
h = height, feet
At 1 PM, the time and height are respectively
t₁ = 1 hour
h₁ = 4400 feet
At 4 PM, the time and height are respectively
t₂ = 4 hours
h₂ = 5600 feet
By definition, the mean hourly change in elevation is

Answer: 400 feet per hour
223
-119
104
In stead of doing 3-9 and 2-1 do 23-19 then 2-1
Answer:
That is correct, if you're asking if it's true or false
Step-by-step explanation:
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area of rectangle = length x width
this is the formula to find it.
now , put the values of length and width,
=> area= 12 x 3 x 6 x 2
=> area = 432 feet^2
Hope this helps!