Answer:
B
Step-by-step explanation:
A straight line equals to 180 degrees. The example shown is a linear pair!
prime factorization of 28
28 = 2 × 2 × 7
prime factorization of 50
50 = 2 × 5 × 5
GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2
______________
32-4=n or 4+n=32
