Answer:
The distance between the two points, (3, -7) and (3,5) is 12
Step-by-step explanation:
PLEASE MARK BRAINLIEST
Answer: 16y² - x²
Step-by-step explanation: The - sign means a difference, so the choices with + signs are eliminated (though 64x² and 9 are squares)
10 is not a square so that one is eliminated (though the y² and the 4x² are squares)
16 is the square of 4, y² is the square of y, and x² is the square. That expression shows a difference of squares.
Answer:
180 degrees
Step-by-step explanation:
Answer:
A Exactly one solution
Step-by-step explanation:

Putting y=0 at second equation, we have

The unique solution is 
Answer:
sum=n+m=-2+5=3 is a answer