volume = l x w x h
volume = 20 x 35 x 50 = 35,000 cubic cm
1 cubic cm = 0.001 liter
35000 x 0.001 = 35 liters of water is needed
A matrix is diagonal if

In other words, you want non-zero elements only when the indices of the row and the column are the same: the first element of the first row must be non zero, the second element of the second row must be non-zero, and so on. All other elements must be zero.
the answer is C. 7 because 328 divided by 50 is 6.56 so it would round to 7
Answer:
Step-by-step explanation:
all you do is shade 27 squares in the grid
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