What is the LCM of 81 and 84

State one method by which you can recognize a perfect square trinomial.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour.is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers