Help? 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?

Which equation can be solved to find x the measure of jk in the apex

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale