The parallelogram shown below has an area of 120 units^2 . Find the missing height.

Can someone explain to me how to do

Solve the system of equations. y=3x-1 and y=-2x+9. show work

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