Answer:
-2x=14
x = -7
6x = -42
C
Step-by-step explanation:
The answer is C
tan (A-B) = ± 4/3
COS (A-B) = 3/5
COS² (A-B) = (3/5)² = 9/25 = 1 - sin² (A-B)
sin² (A-B) = 1 - 9/25 = 16/25
sin (A-B) = ± 4/5
tan (A-B) = sin (A-B) / cos (A-B) = (± 4/5) / (3/5) = ± 4/3
Answer
215 can only be divided by 5
