C. −6, is the best option
all shapes with 4 angles are 360 degrees
100+96= 196
360-196= 164
c+d=164
80+84=164
D is 84
C is 80
Answer:
Step-by-step explanation:
Fist you add -13 to 6y and than 4x that should be 69420
19^2 or 361 is the answer to the equation