When you see two equations exactly the same, how many answers will there be in the system of equations?

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?

The measure of angle 0 is 600 degrees

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?