The answer to this is that t<span>here is a negative correlation and a causal correlation. The higher the average daily winter temperature the lower your heating bill.</span>
A=3.14r^2
A=3.14 x 10^2
A=3.14x100
A=314
314cm is your answer
Answer: (-0.5, 4)
Step-by-step explanation:
Midpoint formula: 
(x1, x2)=(2, -3)
(y1, y2)=(2, 6)
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Hope this helps!! :)
Please let me know if you have any question or need further explanation
Answer:3040
Step-by-step explanation:16000/100=160x19=3040
Um... it'll take each pipe 80 mins, bcz if together they take that long, then to find the pipes time separately, you just multiply it by two to show it doing the work the other pipe did as well. Is that what you wanted??
