The third one because each banner costs $16 and x is the number of banners, $32 is just a one time fee so there is no x.
Answer:
v=15.625ft³ or 15.63ft³
Step-by-step explanation:
v=s³
v=2.5³
v=15.625
round off to the nearest hundredth
v=15.63ft³
53-49=4
4 times 12=48. the unknown number is 48