The first term in a geometric sequence is 54, and the 5th term is 2 / 3. find an explicit form for the geometric sequence.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!