What is the distance from x to y
X=(0,6)
y=(9,-6)
a=225
B=3 units
C=15 units
D=21 units

Answer:
c. 15 units
Step-by-step explanation:
√(x2 - x1)² + (y2 - y1)²
√(9 - 0)² + (-6 - 6)²
√(9)² + (-12)²
√81 + 144
√225
= 15