Find x in the following right triangle. x=13,x=5,x

The covers all of earth like a thin shell, but it is not a solid sheet of material. it is broken up into several large sections and many smaller ones. fill in the blank.

How can studying economics us make better choices about how to use scare resources

How far is a geographic second? a.) around 100 feet b.) around 1,000 feet c.) around 5,000 feet d.) none of the above