Answer:
A
Step-by-step explanation:
the sum of the two angles is 90 degrees
x + 52 = 90
x = 38 degrees
All of them
ツ
6*[4-(42-63)]=
6*[4-(-21)]=
6*[4+21]=
6*25=150.
6*[4-9÷3]=
6*[4-27]=
6*(-23)=-138.
6*[4-3]=
6*1=6.
