Answer:
2 3/4 C
Step-by-step explanation:

81.56+n-2.55=0
81.56+n=2.55
n=2.55-81.56
n=-79.01
Circumference=24 pi
Area=144 pi, shown clearly in photo
Answer:
Twice a number decressed by five
Answer:
D
Step-by-step explanation:
He already has 150 cards and he is buying 15 cards EACH WEEK. W represents the amount of weeks and since 15W +150 needs to be greater than 500 we need to use this lil guy (>)