Can someone help me solve this and can I have a detailed explanation because I have to answer this for a verbal test?

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?