How did kepler improve on copernicus’s model?

Planets revolve around the sun in a particular motion , circulatory motion

Explanation:

As per Copernicus's observations, planets revolve around the Sun but he was not able to define the nature of motion which was further defined by Kepler.

Kepler found  orbits follow three laws which were later known as Kepler's law of planetary motion.

1. The orbit on which planets revolve is an elliptical path having two foci with sun at one.

2. A line segment that joins a planet and the sun sweeps out equal area during equal interval of time.

3. The total orbit times of two planets are in ratio of 3:2.

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

answer; (arch); good luck