Ned sold an autographed Ironman poster at a comic convention for $250. He had to pay the convention hall $60 to rent a table. What percent of the sale price was the fee to rent the table?

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

Write the equation of the circle centered at (10,-2) with radius 2