If Andrea's rock collection has 125 rocks, and has 25 less than Claudia's..how many does Claudia have?
Answer: (1,5)
Step-by-step explanation:
1. To solve this, use the midpoint formula:

2. Insert your values into the equation to get your answer

3. Simplify the formula
(1, 5)
4. The midpoint is (1, 5)
Answer:
1.x^2
2.x+8
3.x
4. 8x
Step-by-step explanation:
Length of old is x inches.
Because it is square we have that area of the old canvas : 
When we read : width of new is increased by 8 so : x+8
Length is x.
The difference of areas:
Old canvas : A1=
New canvas : 
Now we can find A2-A1:

The answer is -9 and 4.
-9×4 = -36.
-9+4 =-5
Let the number of contestants is n and the prizes is r
the number of ways is npr = 335p3 = 37259370 ways