Solve this (they are all fractions)
6/11=n+7/9
what does r equal

Can you me find the missing length. i attached an image.

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height