When a parameter is declared using the __________ qualifier, the procedure has access to the original argument variable and may make changes to its value.

Covariance is a formula that can calculate the relationship between two variables, like gender and dollars spent as well as the direction of the relationship

Indicate whether the statement is true or false

An administrator is determining hardware requirements for a new, virtualized test environment. The vendor requires 8Gb of RAM for each host and 2Gb of RAM for each guest. If the server has a total of 32Gb of RAM, which of the following describes how many hosts and guests the server can support?

A. 4 hosts and 0 guests B. 2 hosts and 8 guests C. 1 host and 12 guests D. 1 host and 16 guests