Combine like terms to simplify each expression. 7x+5x

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?