The mean of four numbers is 14. if two numbers, x and x + 2 are added to the set of data tu
new mean is 15. calculate the value of x.

Which of the following is defined as combinations of soil particles that vary in size and shape?

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

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.