Help? ill mark brainlist if available :)

Which expression is equivalent to 5r6141 2r+st6

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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 jame pay at the end?