Write a program in java that solves a quadratic equation in all cases, including when both roots are complex numbers. for this, you need to set up the following classes:
? ? complex, which encapsulates a complex number
complexpair, which encapsulates a pair of complex numbers
quadratic, which encapsulates a quadratic equation

a macro is a tool that allows you to automate tasks and add functionality to your forms, reports, and controls. for example, if you add a command button to a form, you associate the button's onclick event to a macro, and the macro contains the commands that you want the button to perform each time it is clicked.

answer(d) sequencing and iteration;

the correct answer is: a.)it is never appropriate to use acronyms and emoticons in business communication.

a) click on any cells in the range of data

b) click the data

c) click sort& filter group, click sort

d) select the column to sort by and then select a sort order

e) select the next column to sort by and select the sort order

f) click ok