Individuals and interactions over process and tools is a main principle of the agile software process.
a) true
b) false

True

Explanation:

Agile methodology follows incremental approach. Unlike waterfall methodology where all implementation will be done in one go, Agile methodology follows phases. In each phase we will complete one feature of the requirement. The main focus of Agile methodology is to conduct meetings with stakeholders for review at regular intervals of time and get it corrected in early stages of development

it would be a. excessive network collisions or d. slow connectivity between devices those would be my answer.

which functions return a valid value without any arguments?

(-blank- and -blank- return a valid value without any arguments.)

1st -blank-

today

sqrt

count

2nd -blank-

round

now

sqrt