Answer:
-2x^2-5x+16
Step-by-step explanation:
Remove parenthesis:
-10x^2+9+8x^2-5x+7
Combine like terms:
-10x^2+8x^2-5x+9+7
= -2x^2-5x+9+7
=-2x^2-5x+16
Volume of a cube is s³
Total surface Area of a cube is 6s².
Therefore, given a volume of 27cm³
s³=27,
s=3√27
s=3cm.
Total surface Area
A=6s²
A=6×(3×3)
A=6×9
A=54cm².
Answer:
breas
Step-by-step explanation:
b
