Which triangles are congruent by asa? abe=dea abe=cda adc=eda adc=ebc

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

Write the standard form of an equation with (see picture below)