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

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

Design a pos circuit that displays the letters a through j on a seven-segment indicator. the circuit has four inputs w, x, y, and z which represent the last 4 bits of the uppercase ascii code for the letter to be displayed. thus, if wxyz = 0001 then "a" will be displayed. (any answer with 22 or fewer gates and inverters, not counting any for the inputs, is acceptable)

Which database model is best used for data warehouse and data mining