Answer:
Option c and d is right.
Step-by-step explanation:
CHECK BY MULTIPLYING THEM.
I think the awnser would be +7
Answer:
y = 28 - x
Step-by-step explanation:
The variable x represents how many buttons Paula had before giving 28 away and the variable y represents how many buttons she has now.
Answer:
answer 1962323
Step-by-step explanation: