Brea worked 40 hours one week at a rate of $15.60/h. How much money was deducted from her gross pay for Social Security tax? A) $9.05 B) $15.60 C) $26.18 D) $38.69

40*15.60=$624 for that week
Social Security tax is 6.2%
6.2% of $624 is 38.69, so the answer is D.