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DF bisects CDE, DG bisects FDE, and CDG = 51°. Find
mCDE.
Pls explain thoroughly

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?