The image shows a quadrilateral inscribed in a circle. Select ALL true statements.

3(10x-y)-5(x-y^2) need this solved asap

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Could somebody me with this radical simplification?