Answer:
-12.8x - 20y + 8.4
Step-by-step explanation:
To do this you just multiply everything by negative 4
so we have 3.2x*-4 + 5y*-4 - 2.1*-4
This gives us
The last term is positive because we multplied a negative by another negative
73.4 degrees
(−8,−2)
if 60% is fiction, then 40% are non fiction
80 x 40% =
80 x 0.40 = 32
32 books are nonfiction
