Answer:
Step-by-step explanation:
4*(x + 5) + 8x = 4*x + 4*5 + 8x
= 4x + 20 + 8x
= 4x + 8x + 20
= 12x + 20
M=ch x 4 next 3 = mch (34)
Since one side is 40°, you subtract that from 180.
180° - 40°= 140°.
So therefore your missing side lengths are 140, 40, and 140.
hopefully this helps
Answer:
-15
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:

When you insert the given points you get


Than you multiply the first one by - 1 and sum it with the second to get rid of n
