Answer:
A
Step-by-step explanation:
This notation says that x+x+x+x+37=69
This can be simplified to say 4x+37=69
Answer:
I think -7; +1
(sorry if I write this but the answer must be at least 20 characters long)
Use a half-angle identity to find the exact value of sin pi/8
2y-4=3y-5
-4=y-5
1=y
Answer: y=1
Answer:
7/12
Step-by-step explanation:
Divide both the numerator & denoniminator by 7.
49 / 7 = 7
84 / 7 = 12
7/12