The equation of a line is given by y = mx + c; where m is the slope.
The given equation is 9 - x = 2y
y = -1/2 x + 9/2
Therefore, the slope is -1/2 and the y-intercept is 9/2.
The answer is 77 but i don't see it as an option here ;/
Answer:
30%
Step-by-step explanation:
1/5 = 20%
so, 50 - 20 = 30
