For IEEE WLANs, the maximum transmit power is 200 milliwatts (mW).

The code for implementing the operation void push(String x) can be written as

A stack based on a linked list is based on the following code ``` class Node { String element; Node next; Node(String el, Node n) { element = el; next = n; } } Node top = null; ``` A) top = new Node(x, top); B) if (top == full) throw new RuntimeException("Overflow"); else top = new Node(x, top); C) top.add(x); D) top = add(Node x);

?Which of the following is NOT a commonly used BI tool?

A. ??data visualization B. linear regression C. ?drill-down analysis D. ?automated customer service