y=4 - 5x
a. m=4, b=-5
b. m=-5, b=4
help

Answer:
b
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + b ( m is the slope and b the y- intercept )
y = 4 - 5x or y = - 5x + 4 ← is in slope- intercept form
with m = - 5 and b = 4