Let bold upper a equals start 3 by 3 matrix 1st row 1st column 1 2nd column negative 2 3rd column negative 2 2nd row 1st column 10 2nd column negative 3 3rd column 1 3rd row 1st column negative 10 2nd column 5 3rd column 1 endmatrix comma bold upper b equals start 3 by 3 matrix 1st row 1st column 9 2nd column 4 3rd column negative 4 2nd row 1st column 4 2nd column 7 3rd column 0 3rd row 1st column negative 4 2nd column 0 3rd column 11 endmatrix period find left-parenthesis bold upper a plus bold upper b right-parenthesis superscript 2.

answer: the 4 kilogram bag

step-by-step explanation: this is because if you divide the number of kilograms into the total it will tell you how much each individual kilogram would be worth. 2 kilos is 7 and change 3 would be around 6 ish and the 4 kilo would be 4.6 and change and the 5 kilos would be like 4.88

answer:   rotate 270° clockwise about (7, 1) and reflect across the line x = 7

step-by-step explanation:

because i took test

step-by-step explanation:

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4 inches will get you 10.16 centimeters, but you can either do 10.1 or round up to 10.2. good luck and hope this : )