Answer:
i think its set B..........
Answer:
a=31
Step-by-step explanation:
1/2(a-9)=11
a-9=22
a=22+9
a=31
23-11=12
She spent $12 on notebooks, and she bought six notebooks.
12/6=2
Each notebook costed $2.
Answer:
all the answers are there in safari can just check it
Step-by-step explanation
Answer:
Mark drove 4 hours
Mary drove 6 hours
Step-by-step explanation: