Which of the following gives all of the sets that contain Negative one-half?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

Me. i can't figure out this question. give an explanation too. .

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is