Answer:
the answer is -34x^-4 y^19
Step-by-step explanation:
i hope this helps
Answer:
Norma ate
of the leftover cake at her lunch.
Step-by-step explanation:
Norma had a leftover cake from her party = 
She ate
th of the leftover cake at the lunch.
Therefore, amount of cake she had at lunch = 
=
of the leftover cake
Norma ate
of the leftover cake at her lunch.
180=15+85+(4x-20)
180-15-85=4x-20
80=4x-20
4x-20=80
4x=80+20
4x=100
x=100/4
x=25