At a certain time of day, a tree that is x meters tall casts a shadow that is x−46x−46 meters long. if the distance from the top of the tree to the end of the shadow is x+4x+4 meters long, what is the height, x, of the tree?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?