Convert these improper fractions to mixed numbers 210 over 6

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.