What is the missing number in this sequence? 3,7,15, 63, 127

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

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?

Which of the following best describes the figure?