HELP PLEASE I WILL GIVE BRAINLICK

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

What is the slope of the line that contains the points (-2,1) and (0,-3)