Answer:
The answer is 6
Step-by-step explanation:
Becuse im smart (Sorry if its wrong tryed my best)
(b) y = 3√5
In this right triangle geometry, x, y, and z all have special "geometric mean" relationships with the segments of the hypotenuse:
x = √(12(12+3)) = 6√5
z = √(12·3) = 6
y = √(3(12+3)) = 3√5
