Answer:
21 in.
Step-by-step explanation:
The radius is half of the diameter. The diameter (as shown) is 42 inches. Divide that by two to get 21 in.
The ship therefore travels 8 nautical miles per hour. If the ship traveled for 1 hour, then it traveled 8 nautical miles. If the ship ... If the ship traveled for 18 hours, then it traveled 144 nautical miles.
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Answer:
-21X + 9
Step-by-step explanation:
Okay, so you are talking about exponents, so what you are talking about is 2², to find the answer to the exponent you multiply the same number as many times as the exponent (little number) says, so in here we are going to multiply 2 x 2 and the answer is 4. So 2 to the power of 2 is 4.