Answer:
yb
Step-by-step explanation:
48+ 36 = 84
84/4 = 21 groups
there are 21 groups of 4 balloons
so A!
Answer:
30 is the lcm
Step-by-step explanation:
Answer:
=468 m^2
Step-by-step explanation:
Surface area of a prism is
SA = 2 (lw + wh + hl) where l is length, w is width and h is height
SA = 2 ( 12*6 + 6*9 + 9*12)
= 2 ( 72+54+108)
= 2(234)
=468 m^2
I think the answer should be B.
