25^2-13^2=456
456 square root is 21.354...
21
Answer:
it's option B the second one
4x^2 +15x + 13 tyats would be tour answrr
If you count the squares, you will see that there is 3 squares or units between Q and R and 7 squares or units between P and Q
Answer is D.
Answer:A positive correlation is a relationship between two variables such that their values increase or decrease together.
Step-by-step explanation: