A 200 mg dose of a radioactive dye is placed in a patient's bloodstream to better see the formation of blood clots in the arteries. If the dye is eliminated from the body at a rate of 7.5%
every hour, how long will it take for 50 mg of the dye to remain?

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex