Answer:
-6
Explanation:
The y-intercept of a linear equation is the value of y when x (or t in this case) is equal to zero. To find the y-intercept of the equation y=3t-6, we can set t=0 and solve for y:
y = 3(0) - 6
y = -6
Therefore, the y-intercept of the equation y=3t-6 is -6.