Pemdas
28/7 + (-19+10)(-4)
28/7+ (-9)(-4)
28/7 + (36)
4+ (36)
40
Answer:
23
Step-by-step explanation:
Answer:
x=54
Step-by-step explanation:
easy
180 is a triangle
so
exterior+interior=180
so 180-123
57
now add all up to 180
180=57+x+69
x=54
Question 3 is D and question 4 is c for what I tell of the pictire