Answer:
216
Step-by-step explanation:
A=2(wl+hl+hw)=2·(12·2+6·2+6·12)=216
1 and 1/2 is the right one
The answer for:
20)
6x-7+6x³-4x-10x³-4-8x - 2x²= −43−22−6−11
19)
8u+6+7u+(-10) + (-5u) + 8= 10+4
Step-by-step explanation:
false
4^0 + 5^0 + 6^0= 1+1+1=3
(4+5+6)^0= 3⁰=1
1≠3
Yes, this is the right answer