4*(10*12/2)+4*(12*9)+(12*12)= 816 ft^2
the surface area is 816 ft^2.
The answer is 30, hope this helps.
Its 15/4
^_^ hope this helps
Answer:
(-8.5,9)
Step-by-step explanation:
((-8+(-9))/2=-8.5
(7+11)/2=9
(-8.5,9)
Answer:
-14a
Explanation:
We are given 7(b - a) - 7(b + a).
We can distribute the 7’s to get:
7b - 7a - 7b - 7a
Combining like terms, we have:
-14a
