Help please thank you

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

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?

If the value of cos330°is√3/2 then find cos 165°.