Beth placed 91 books on a shelf. Twenty-eight of the books were nonfiction,13 of the books were poetry books, and the rest were fiction books. How many books were fiction

50 fiction books

Step-by-step explanation:

if there are 91 books, it's simple subtraction. 91-28 is 63. 63 - 13 = 50. 50 fiction books, amiright?

50

Step-by-step explanation:

28 Nonfiction + 13 Poetry = 41 books

91 - 41 = 50 Fiction

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.