She has a 1 in 5 chance of getting the green ball because there is one of each color marble
Answer:
the temperature increased 1.25°c per hour
In those twelve hours the total increase was 15°c
Step-by-step explanation:
Divide the total temperature increase and the total of hours

and that's how you get how many degrees it increased each hour from midnight to midday
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Answer:
first find the length of trangel using
h^2=p^2+b^2