A number between 20 and 30 that is divisible by 4

What is coefficient of the term of degree of degree 5 in the polynomial below

Which inequality has a dashed boundary line when graphed ?

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?