The last one i think is correct, hope i could help??
Answer:
"2.25" is the right answer.
Step-by-step explanation:
According to the question,
The expected value will be:
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= 
= 
= 
= 
= 
= 
Thus the above is the right approach.
Answer:
We know the diameter is 3 inches. We need the radius to find the area. By dividing the dimater by 2, we get the radius of 1.5 inches. The answer is 7 inches squared.
Brainliest would be great.