David is preparing for a dance competition. He needs to practice for 14 hours in 4 days. Which of the following statements show that David is practicing according to the required unit ratio? A. 44 hours in 8 days B. 21 hours in 12 days C. 53 hours in 9 days D. 28 hours in 8 days

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)