number of different pairs the teacher can choose= nCr (18+14, 2)=496
no. of opposite gender pairs possible= 14 (since there are only 14 boys)
probability = 14/496= 7/248
It's 7 kilometres from earth in light years
The correct answer is C: the land has minimal capacity to feed the population
The demand is based on the preferences and purchasing posibilities of consumers.
