Bro close to waves mane almost der free points

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.