There were 30 items on sale. Hope this helps and please give Brainliest!
Answer:
I think its a) I only
Step-by-step explanation:
b gives a random value that isn't relevant to the question. C is backwards because F would increase more than C.
Answer:
#5: d=22, #6:
, #7: 
Step-by-step explanation:
#5:

#6:

#7:
