Answer and Step-by-step explanation:

It will be between the sum and difference of the two given sides.
12 < third side < 42
Answer:
9 inches.
Step-by-step explanation:
Volume = length * height * width
486 = 18 * 3 * w
w = 486 / (18*3)
= 486 / 54
= 9 inches.
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The size of the angle would be : 150 degrees
3 minutes = 2850
5 minutes = 4750
In 8 minutes he descended = 7600
1 min = 7600/8 = 950ft per min
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