Explain the difference between a regular hexagon and an irregular hexagon?

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?

5/4 gallons of water fill 5/6 of a bucket how many gallons of water fill the entire bucket