1. When do you need to state a domain in your final answer?

2. State the domain for 7y/2x - 5/2x

Thank you so much to anyone who can help me with an answer!!

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry. how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)