Urgent! if two angles are supplementary, then they are a linear pair of angles. true or false i think its true, !

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Which statement justifies why angle ebc measures 90?

Alogical argument that is presented in graphical form using boxes and arrows is called?