A water tank has the shape of the bottom half of a sphere with radius r = 1 meter. If the tank is full, how much work is required to pump all the water out the top of the tank?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10