Your answer would be A. Solid. Hope this helps!
Answer:
Business Model
Explanation:
A business model is basically a plan of how a business will make a profit. It indicates what type of services or goods they will deliver, who they will provided services to, and the expenses to expect.
A good business model can be used to attract investors, motivate staff and management and recruit potential talent into the business.
I added individual steps for clarity. Note that g must be positive if the solution is to be real.

Let me know if you have any questions.
Answer = 6.24x10^18 x ((2 x 3600) + (47 x 60) + 10)
Answer: a
Explanation: The color of a star is linked to its surface temperature. The hotter the star, the shorter the wavelength of light it will emit. The hottest ones are blue or blue-white, which are shorter wavelengths of light. Cooler ones are red or red-brown, which are longer wavelengths.