Subtract the sum of -11ab and -23ab from the sum of -19ab and 7ab

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?