Answer:
Hey there!
We can write this equation:
cosine xyz=6/15, or 0.4
arc cosine 0.4= 66.4
Thus, angle xyz is 66.4 degrees
Hope this helps :)
That's not true because the GCF of 9 and 12 are both three and three is an odd number
Answer:
1
Step-by-step explanation:
-1 - (-z)
-1 - (-2)
-1 + 2
1