I hope my steps were clear. this involves the difference of squares and factoring
Answer:
120°
Step-by-step explanation:

Answer:
does it want the degree????
Answer:
20
Step-by-step explanation:
5 plus 7 plus 10 plus 3 = 25
25x4=100
5x4=20
20%
Another way
5/25 = 0.2
0.2 =20%