R-4+3r-16=180
4r-20=180
4r=200
r=50
Angle D
r-4
50-4
46
Angle E
3r-16
3•50-16
150-16
134
The answer to the question
Answer: 6/50
Step-by-step explanation:
Answer:
both A and E
Step-by-step explanation:
because most of 70% of the water is sea salt and clean water comes from frozen underground.
Answer:
A
Step-by-step explanation: