Find the sum of the first 10 terms of the following sequence. Round to the nearest hundredth if necessary.
26,
52,
104, ...

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.