Which of the following are valid values for a String? (Select all that apply)

None of these are valid strings.
'X'
'bird'
"false"
"PK fire"
"17"
She sells sea shells
true

Write the quartstogallons java class that declares a named constant to hold the number of quarts in a gallon (4). also declare a variable to represent the number of quarts needed for a painting job, and assign an appropriate value—for example, 18. compute and display the number of gallons and quarts needed for the job. display explanatory text with the values, for example:

Aconstruction company is creating a powerpoint presentation describing how they calculate costs during each construction step. they plan to email this presentation to clients. the individual clients will be watching the presentation slide show on their own personal computers. what is the most important formatting step the company should take to make the text readable and pleasing to the eye?

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.