Since christmas is soon, I want to spread some joy! Here's some free points. To avoid this from getting deleted.. WHATS 5x5 divided by 25

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

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.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?