What is 4/27 as an improper fraction?

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.