Help Josh and Zach are painting a dog house. If Josh painted the house on his own,
it would take him 6 hours. If Zach painted the house on his own, it would take
him 4 hours. How long will it take them to paint it together?

How do you do this geometry problem

Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?