What is the pattern of these numbers

1, 4, 9, 16, 25, ...

Which ratio is equivalent to 10: 85

What is the binomial expansion of (2x-3)^5

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?