<em>If the radius of a sphere is doubled, the surface area becomes four times the original surface area.</em>
Hi,
New temperature will be 31 F - 15 F = 16 F.
Green eyes.
Answer:

Step-by-step explanation:
we know that
To find the speed divide the total distance by the time
so

36/7 = 27/x.....36 mm to 7m = 27 mm to x m
cross multiply
(36)(x) = (27)(7)
36x = 189
x = 189/36
x = 5.25 m
Answer:
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Step-by-step explanation: