Work out the difference in minutes, between 1 hour 50 minutes and 1 3/4 hours

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

2and 3 are angles. complementary vertical congruent supplementary