Which of the following are activity patterns? a. saving c. producing b. investing d. all of the above

d. all the above

Explanation:

All of those can be activities when it comes to activity patterns in economy. You must invest to produce, you must produce to profit, and you must save the profit to invest. This is a cyclical example, but it fits perfectly with the choices provided, creating a constant pattern of making money to make money.

the authority to tax.

there is no chart here so no one can answer this.