4 3/4 =19/4=57/12
57/12 is larger than 38/12
As I've shown on picture that I attached:
∠ADC=∠ADB+∠BDC⇒134=5x+4+7x-2
12x+2=134
12x=132⇒x=132/12
x=11
Angle BDC measure 7x-2=7*11-2⇒∠BDC=75.
Answer:
i think its D
sry if im wrong
step-by-step explanation:
Answer:
2a2b-6ab2+9ab+5 is right answer