Double[][] vals =

{{1.1, 1.3, 1.5},

{3.1, 3.3, 3.5},

{5.1, 5.3, 5.5},

... {7.1, 7.3, 7.5}}

How many columns are in the array above?

0

2

3

4

17. When an industrial electrical circuit requires a 220 VAC single phase power supply, the electric power supply circuit is normally taken from O A. a separate transformer feed. O B. a single phase of a three-phase system and a ground wire. O C.

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Invention I chose was radio. 1. What's the made out of? 2. Describe it. (Details about the invention) 3. Has the need for this invention changed over the years? 4. Why was this invention so important and necessary? 5.

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All of the following are types of data storage devices except CD/DVD computer monitor digital cameras flash drive

Four ways in which cookies are utilized by websites