What are the coordinates of the point (2, −3) after a counterclockwise rotation of 90° about the origin?

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

How can you construct perpendicular lines and prove theorems about perpendicular lines

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.