Answer:

Step-by-step explanation:

N would equal 45° since the tiny square means its 90°. 90-45=45.
Answer:
b = (c - 3a)/4
Step-by-step explanation:
3a + 4b = c
4b = c - 3a
b = (c - 3a)/4
Where a line goes across the y axis
Or in the formula y = mx + c, the y axis is represented by c
Answer:
Step-by-step explanation:
y=-2/5x