Hello!
To find the surface area of a cube you do

where "a" is the length of one of the sides.
So

= 1350
the answer is 1350mm

Hope this helps!
Step-by-step explanation:
x² x<1
-x²+4x-1 1<x<3
x-3 x>3
Feel free to ask question in the comments
Answer:
30
Step-by-step explanation:
4(8)-2=32-2=30
Hope it helps! :)
f(x) = 3/(x + 2) - √x - 3
f(7) = 3/(7 + 2) - √7 - 3
f(7) = 3/9 - √4
f(7) = 0.333 - 2
f(7) = -1.67
Answer:
2
sec
(θ
) − 2
tan
(
θ
)
Step-by-step explanation: