(1) 15 V2 - 9 V2 + V2 (2) 5 728 617 - 1252
(3) 'v125 + 5 *V81 - 6 V64
(4) vi2 • V3
(5) '1875 . 'V
(6) vii / - V2 3 V5 )
(7) 5 V6 / 10 V50
(8) 9 'v19 / 1729
(9) vis 12 - V15
(10) 8. 'V2X / X

please help me​

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?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?