Find an lu factorization of the matrix a (with l unit lower triangular). 4 -84 a16 27 15 1 17 1 simplify your answer.)

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.

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2x + 3y = 17 5x + 6y = 32 usibg method if elimination