Can someone explain how 9-3x squared turns to that and not 3(3-x squared)?

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?

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?