the total surface area =2(lb+bh+lh)
=2(6*3+3*4+6*4)
=2(18+12+24)
=2*54
=108 m^2
72 m is the surface area because you multiply L × W × H, which is 6 × 4 ×3 = 72
Answer: 1. $499
2. $270.48
Answer: for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
Answer:
a=9
b=-6