11 because 2 cube is 8 and 30 divide by 5 is 6 subtract 8 from 6 u get 2 add that to 9 u get 11
Answer: OPTION D
Step-by-step explanation:
The formula for calculate the surface area of a rectangular prism is:
Where w is the width, h is the height and l is the length.
You can see in the figure attached that:
l=3.4ft
w=3ft
h=4.1ft
Therefore, when you substitute these values into the formula you obtain that the surface area is:
Answer:
6
Step-by-step explanation:
divide or multiply by 5 to get 30
-4 left
+5 up - 1
Your welcome!