What is the surface area of the cube?
? mm2
cube with sides of four millimeters

SURFACE AREA OF A CUBE IS 
a=6*a^2
a= 6*16=96mm^2

C. i believe it is (5×(-20))+(100×(0.7))

Your answer would be ahere is how: perimeter is how long all the sides are. in a rectangle, there are two sets of parallel sides. so, to find this, we would to the following.(15x2)+(4x2)30+838if you have questions ask! and mark me brainliest! i really wanna level up : 3