Answer:
Any real number.
Step-by-step explanation:
I dunno what you're asking, but Im assuming you need what a equals to.

The answer is any real number.
18<span>,36,54,72,90,108,126,144,162,180,198,216,234,252,
hope this helps!</span>
Answer:c
Step-by-step explanation:82+78+81+89+79+92+87=588
And 588/7 =84