Olga will have to drive 324 miles. it will take her 4 hours and 45 minutes. what is her average speed, in miles per hour?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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.

What is the value of x? enter your answer in the box.