Arandom number generator chooses 2 numbers between 1 and 5. what is the probability that the computer will pick a 3 and a 4 (in any order)?

When y’all answer can y’all explain too !

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.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota