Find the HCF of the following by
Pime factorisation.
a) 72,54,27
b) 24, 16, 36

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.

2pointswhat is the best next step in the construction of the perpendicular bisector ofab?

Ahealth-food producer has 250 samples of a new snack to distribute in the mall. the producer has to keep at least 50 samples for display in the health food for the product launch. how long will the samples last if consumers are taking the samples at a rate of 25 every hour