Find the remainder when 1189 is divided by 13

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?