[ Answer ]

[ Explanation ]
4 + 3 + 7 ___ 7 + 0 + 7
Solve Each Side:
4 + 3 + 7 = 14
7 + 0 + 7 = 14
14 __ 14
14 is equal to 14, therefore the __ (Or ?) is replaced with an = sign.
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7B+5Y=487B+1Y=40Subtracting Eqn 2 from 1 we get 4Y=8so Y = $2 and X=$38/7
Answer:
1.860 to 4sf
Step-by-step explanation:
Answer:
D. He forgot to subtract the area of the base from the total surface area of the cube.
Step-by-step explanation:
He is only spray washing the *exterior* of the building; the base is not exposed so it will not be spray washed, which means Richard can use less water.
Hope this helps. :)