It's a bit urgent, could somebody explain? nick’s hand measures 20cm long. he is 1.7m tall. express the ratio of the length of nick’s hand to his height in simplest form? remember to convert both amounts to the same unit and both numerical values must be whole numbers, no decimals. along with this, could somebody explain how exactly to compare ratios and such? a step by step explanation may be . you loves

Find the greatest common factor of 28 and 35

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?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0