Write the solution set of the given homogeneous system in parametric vector form. 2 x 1 plus 2 x 2 plus 4 x 3 equals 0 where the solution set is xequalsleft bracket start 3 by 1 matrix 1st row 1st column x 1 2nd row 1st column x 2 3rd row 1st column x 3 endmatrix right bracket

City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)