Amy ate 2 1/2 cookies after lunch and 1 2/5 cookies after dinner. how many cookies did she eat altogether

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?

How many solutions does the nonlinear system of equations graphed bellow have?

What is the surface area of a cube with the volume of 729 ft?