Plz help

Use pemdas 12.3-2.2x 8.4 divided by 2

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is