Answer:
x= 13 degrees
Step-by-step explanation:
This is a 90 degree angle. We can create an equation to find x
68+x+9= 90
77+x= 90
-77 -77
x= 13 degrees
Hope this helps!
Answer:
C.
Step-by-step explanation:

Answer:
120
Step-by-step explanation:
using the pythogorean thereom, we have 12^2+9^2=225
sqrt225=15
15*8=120
Answer:
14
Step-by-step explanation:
2-2=0
3*2=6
6+8=14