Answer:
K is -1 12/55
Step-by-step explanation:
You take 3 2/11 minus 4 2/5 to get -1 12/55. If you want to make sure, you add 4 2/5 and -1 12/55. The answer will be 3 2/11
17 * 11 + 17 * 21
Answer: 155°
because ∠a and ∠c are 2 opposing angles => m∠a = m∠c = 155°
It rotates 180 degrees
40×40=9×9+y+y
160-81=y+y
79=y+y
