What is 48 times the power of x , if x= 1/5

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

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?