This would be a great question to just plug into a calculator. I'm sure you will find the answer quite easily if you use a calculator.
The correct answer is -1/3.
Answer:
105
Step-by-step explanation:
(.5)πr²
to get the area of the shaded parts you have to subtract the area of the semicircle from the area of the rectangle




subtract the areas

≅ 
Answer:
6x²
Step-by-step explanation:
3x×2x=6...... then an x²
Therefore answer is 6x²
Answer:
The miner would have 3 1/2 of radioactive material in the sample at the beginning of the 7th day.
Step-by-step explanation:
hope this helped!