Adiagonal of a parallelogram is 50 inches long and makes angles of 37.1° and 49.2° with the sides. solve for the longest side of the parallelogram.

Evaluate cos2θ for cosθ = square root of 3/2

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.

A50% increase followed by 33 1/2% decrease