Suppose the radius of a cylinder changes, but its volume stays the same. How must the height of the cylinder change? A. The height does not change.
B. If the radius increases, then the height must increase.
C. If the radius decreases, then the height must decrease.
D. If the radius increases, then the height must decrease.

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I'm sure the answer is a

At a constant it will take one hour to travel 32 mi.at that speed it will take 1/2 hr to travel the remaining 16 mi.it will take 1+1/2 hr to travel the 48mi @ 32mph.so 1 hr = 60 min& 1/2 hr = 30 min1+1/2 hr = 90 min.there are 60s in each 90 × 60 = 3600 seconds.the real question seriously is he why are they driving so slow? ! lol.