Mr. Clean Plumbers charges $55 an hour plus a $75 service fee. If Nate used Mr. Clean Plumbers and his bill was $185, how many hours did the plumbers work?

2 hours

Step-by-step explanation:

add 55 plus 55 together then with 110 add 75 and there 185.

Sorry if this wasn't helpful. :)

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.