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
-12.8x - 20y + 8.4
The last term is positive because we multplied a negative by another negative
I just checked and the answer should be 3786.25
Answer:
1
Step-by-step explanation:
it's basically the peak/ center.
The product of -45*1016=-45,720
