when 4 is divided by a certain number and 10, the result is the same as dividing 3 by the sum of that number and 4, find the number

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.

How does reflecting or rotating a figure change the interior angles of the figure?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?