That will be 4/4/7 hope this helps
K-263.48=381.09
we add 263.48 on both sides
k=644.57
The answer is 6 degrees below the high.
89+6=95
95-12=83
y = -2x + 3....slope = -2, y int = 3
2x + 4y = 8
4y = -2x + 8
y = -1/2x + 2....slope is -1/2, y int is 2
this is graph C