The first answer is right
(x - 9) (x + 9)
It’s me again lol
Answer:
B
Step-by-step explanation:
cos(a) is AC/AB and sin(B) is AC/AB
Answer:
23 degrees
Step-by-step explanation:
6x + 42 = 180
x = 23
I ran out of time. will come back in a few minutes to answer the question.