Answer:
The rate is 
Step-by-step explanation:
we know that
The formula to calculate the rate or slope between two points is equal to 
Let
x----> the time in minutes
y-----> the temperature in Celsius degrees
we have
Substitute the values
Answer for f :(4x-9) is because u cant combine that like term
Pythagoras was the greek geometer.
In words it would be said Thirty nine point four
Number of 1/2-inch cubes length-wise = 8 1/2 ÷ 1/2 = 17
Number of 1/2-inch cubes width-wise = 5 1/2 ÷ 1/2 = 11
Number of 1/2-inch cubes height-wise = 2 1/2 ÷ 1/2 = 5
Number of 1/2-inch cubes = 17 x 11 x 5 = 935
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Answer: 935 1/2-inch cubes are needed.
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