Can someone please help with this, it’s due in like an hour

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.