Plz answer i rlly need this ! can some one pl how can you use the fact that right triangles have perpendicular sides to determine if the (x, y) coordinates of a triangle’s three vertices represent a right triangle?

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Which of the following three dimensional figures has a circle as it’s base