Answer:
The answer is D for the ordered pair
Step-by-step explanation:
B is equal to y that’s what it’s equal too
AD = √(19^2 + 3^2)
AD = √370
AD = 19.2
answer
C. 19.2
Answer: 
Step-by-step explanation:
Given : Hot air balloons generally descend at a rate of 200 to 400 feet per minute.
Also, Four balloons descend 200 feet per minute for 9 minutes.
Then, the total change in altitude for all 4 balloons will be :-

Hence, the total change in altitude for all 4 balloons will be : Balloon descends 18 feet in 4 minutes.
Answer:
C
Step-by-step explanation:
x+2y=8x...............