Please answer this ineed it

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?