Answer:
12^4 or 20736
Step by Step Instructions:
really all you have to do is subtract the exponents. 12^7-12^3=12^4, if you want to expand the numbers you can do it that way too. 12^7=35831808, 12^3=1728, 35831808/1728=20736 (which is the same as 12^4)
Coordinates: (3, -3)
this point R would be the same distance that point P is from point Q, fulfilling the statement of it being an isosceles triangle
Answer: 2 committees
Step-by-step explanation: 7 cant be divided evenly by 3. only two times. Only 2 groups can be fully formed.
Answer:50 %
Step-by-step explanation:
Given
There are 4 girls and 6 boys in a club
Probability of choosing 1 girl and 2 boys is

No of ways of choosing 1 girl and 2 boys



i.e. 
The rational root are x= 7,-3,-6
You can find them by substituting y for 0