What is the value of in the equation shown?

3=0.064

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor