Answer 28
Step-by-step explanation: <em>43 minus 15 is 28</em>
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Find the S.A of all the cubes and then add them together.
S.A = 6a²
a is the side length
S.A = 6(3)² = 54
S.A = 6(2)² = 24
S.A = 6(1)² = 6
Now add them all together.
54 + 24 + 6 = 84
So the total surface area is 84
Hope this helps :)
Answer:
y=7x+1
Step-by-step explanation:
y-y1=m(x1-x2)
y-1=7(x-0)
y-1=7(x)
y-1=7x
y=7x+1
Answer:
3r^3-27r, the main thing that is gonna help you to solve for this is by using FOIL.
