HELP ASAP Which statement is true?

Personal learning networks are always connected through the cloud.
Personal learning networks are always connected through the cloud.

Personal learning networks allow you to digitally collaborate with peers.
Personal learning networks allow you to digitally collaborate with peers.

Personal learning networks are only utilized by adults.
Personal learning networks are only utilized by adults.

Personal learning networks require tablet devices.
Personal learning networks require tablet devices.

The “rule of 72” is used to approximate the time required for prices to double due to inflation. if the inflation rate is r%, then the rule of 72 estimates that prices will double in 72/r years. for instance, at an inflation rate of 6%, prices double in about 72/6 or 12 years. write a program to test the accuracy of this rule. for each interest rate from 1% to 20%, the program should display the rounded value of 72/r and the actual number of years required for prices to double at an r% inflation rate. (assume prices increase at the end of each year.)

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Which task uses a simple parameter?