Nanda Yueh and Lane Zuriff sell homes for ERA Realty. Over the past 6 months they sold 136 homes. Nanda sold 3 times as many homes as Lane. How many homes did each sell? Lane Nanda homes homes​

Having a hard time understanding this question (see attachment).

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.