If the atomic mass of fluorine is 19 with 9 protons, how many neutrons would it have?

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

2. does the given statement describe a step in the transformation of the graph off(x) = x2 that would result in the graph of g(x) = -5x + 2)? a. the parent function is reflected across the x-axis. o yes nob. the parent function is stretched by a factor of 5. yes noonc. the parent function is translated 2 units up.o yes

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent