Aminer descended 1500 feet into a mine. while in the mine, he then rose 1200 feet and then descended 850 feet. what was the miner's net gain or loss in altitude?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

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)

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps