Answer:
It is CD
Step-by-step explanation:
because 300+200=500, juts times it by 3 and divide
Surface area is:
6*8=48
12*10=120
8*12=96
6*12=72
48+72+120+96 = 336
The surface area is 336 square km
$56.65
55(.03)= 1.65
1.65+55= 56.65
2019-2=2017
Since 9 is the ones digit 9-2=7
