Need some help with this

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

How do you convert 1.27 to a percentage

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?