Answer:
0
Explanation:
in the form, y = mx + b, b is the y intercept and m is the slope
y = 9/5 x can also be written as y = 9/5 x + 0, and 0 is the b value. You can also try to find the y intercept by plugging in 0 for x, which in that case you get:
y = 9/5(0) = 0. again, b is shown to be 0