Select all that apply. invertebrates have only nonspecific immunity, which means
the body attacks anything foreign to the body
the body attacks particular foreign invaders
immunity is inborn or innate
immunity is adaptive
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Ответ:
Ответ:
y=3x
x=number of people
y=number of total sandwiches
PART B:
y=18-3x
hope this is right i'm sorry if its wrong :)