These polygons are similar find the value of Y. PLLZZZ HELP

Write the fraction or mixed number and the decimal shown by the model

Ratio of circumference to diameter example plz i need to now what it looks like.

Ana’s dachshund weighed 5 5/8 pounds when it was born . by age 4 the dog weighed 6 times as much. fill each box with a number or symbols from the list to show how to find the weight of ana’s dog at age 4 . not all numbers and symbols my be used