Answer:
3 2/5
Step-by-step explanation:
Answer:
≈ 12.57 units squared
Step-by-step explanation:
The area of a circle is denoted by:
, where r is the radius.
Remember that diameter is twice the radius, so since the diameter equals 4, we know that the radius r = 4/2 = 2.
Now, plug this in: 
We can round 4pi to 12.57 units squared.
Hope this helps!
2x + 1
You can find that by switching the signs in the second set of parenthesis and then adding.
Answer:3/14
Step-by-step explanation:
The probability that it is a blue marble is 3 out of total marbles of 14