To write a line that is perpendicular you have flip the slope and change the sign so it would be -1/2, then you carry on like normal. So the answer is:
y-6= -1/2(x-9)
It is the first one, 14b 9d 10c
28° this is because all the angles add up to 180
Answer:
2 2/3
Step-by-step explanation:
8 12/24 - 5 20/24
7 36/24 - 5 20/24 = 2 2/3
Answer: (-80) = 320
Step-by-step explanation: