Answer:
3 kinds of amplifiers
Step-by-step explanation:
1.-3x+z - y
-3(-2)+4-(-4)
6+4+4
=14.
2.-2xz-3xy+4
-2(-2(4))-3(-2(-4))
-2(-8)-3(8)
16-24
= -8.
she has cancer, sorry but were gonna have to let kelly down
Answer:i have no idea but go back to your math book and lesson and check :p
