What series of transformations would carry the rectangle onto itself? (x + 0, y − 4), 180° rotation, reflection over the y-axis
(x + 0, y − 4), 180° rotation, reflection over the x‐axis
(x − 4, y + 0), 90° counterclockwise rotation, reflection over the x‐axis
(x − 4, y + 0), 90° counterclockwise rotation, reflection over the y-axis

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A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.