Holly had 2 kg of beef. she used 4/5 of it to make stew. how many kilograms of beef did she have left?

Which system of linear inequalities is represented by the graph?

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.

Which best explains why this triangle is or is not a right triangle ?