Suppose oil spills from an offshore drilling platform and spreads in a circular pattern. if the radius of the oil spill increases at a constant rate of 5 feet per second, how fast is the area of the spill increasing when the radius is 40 feet?

This is so hard and it’s for a test

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?

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for