Answer:

Step-by-step explanation:
Area of a circle.





Area of a square.



Subtract the area of the square with the area of the circle.


I hope it helps.
Brainliest much appreciated.
Answer:
Independent
Dependent
Step-by-step explanation:
Two events are independent of each other when you can mulitply them and get their intersect
we can can see that
9/20*7/10= 63/200 so these events are independent
For number 2
7/10*7/10≠ 21/40 so these events are dependent
Answer:
D. helping a friend decorate for s party
Answer:
7-2x..I'm not entirely sure coz the question isn't given
The answer is 150 over 100 hope this helps