If angle 1 is 78 degrees, what is the measure of angle 8?

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?

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

Which geometric principle is used to justify the construction below?