Select the correct answer.
An antique wooden chest has the shape of a rectangular prism. It has a width of 16 inches. Its length is 4 times its height The
volume of the chest is 4,096 cubic inches. What is the height of the chest?

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

What is the perimeter of an equilateral triangle if each side is (x+3)?