Answer or how to do it sort by step need

Find the roots of the equation below. x^2 - 6 + 9 = 0

Write the pair of fractions as a pair of fractions with a common denominator

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?