Acoordinate grid is placed over a map and every unit represents 1 km. the point at (2,3) represents of the library and the point at (6,-1) represents the location of the police station to the nearest tenth of a kilometer, what is the distance between the library and the police station?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?