The biggest problem when using metals (or cowry shells) for trading is what ?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?