If you mean (3n-2m)^2 then the answer is
9n^2-12mn+4m^2
So B
The answer to (1+_÷7+4)÷8= 4/7 is -3 I believe
Answer:
45
Step-by-step explanation:
Divide 30 by 10. You get 3. Take three and multiply it by 15. Your answer is 45.
The area of the entire sector is 
The area of the triangle OAB is
.
So, the area of the segment is 