Answer:
8r+9p-7
Step-by-step explanation:
12p-3p=9p
8r+9p-7
I believe the X numbers are divided by 2, to get the Y numbers. So the blank X box is 1 and the other is 12.
A) 42x-12
6*7=42. 6*2=12
b) 21y
11+4+6=21
K-12=28...? I think this is what your question is asking for
Answer:
1. b d
2. is c or d
3. a or c
4. b or c
5. c
Step-by-step explanation: