What is the verbal expression for 4 + X

Anew fountain in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the fountain are: (7.5,5), (11.5,2), (7.5,−1), (2.5,−1), (−1.5,2), and (2.5,5). how long is each side of the fountain?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

What is the circumference of a circle with an area of 50.24 cm²?