Answer:
2a-6
Step-by-step explanation:
2(a-3)
2*a-(2*3)
1) slope is -1/3
2) slope is 3 or 3/1
3)slope is -3/2
4)slope is3/2
5)slope is 5/3
6)slope is 7/3
i only know cos
cos0 = 8/9
27
