Answer:
a·a-b·b
Step-by-step explanation:
X f πxf
-1 2 -2
3 1 3
-1 -2 2
0 -3 0
total =3
mean (π)=πxf ÷n
= 3÷4
= 0.75 these is not answer I thank so
3! =3 x 2 x 1 = 6
Y!= Y x (y-1) x ... x 1=
Hi, to find the total surface area you need to first find the area of each face. In the end it will equal 906. Hope this helps and sorry if it is confusing.