Can you help me in Heron's formula steps any questions

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

Find two consexutive odd integers such that the sum of their square is 650

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer