Answer:
2.8
Step-by-step explanation:
using cosine rule
= 
s =
= 2.842 = 2.8
Answer:
rectangle
Step-by-step explanation:
can i have brainliest
Answer: g(x)=|x+8|-3
Questions please feel free to ask. Thanks
Answer:
3
Step-by-step explanation:
hope this helps
CF = CD + DF (since D is simply a point on the line, and C to that point added onto F to that point is CF), so 4y-9+2y-7=14. Adding it up, we get 6y-16=14 and adding by 16 we get 30=6y. Dividing both sides by 6, we get y=5. Plugging that into DF, we get 10-7=DF=3