What is the area of something that is 2 inches long and 5/6 inches wide

Which statement about perfect cubes is true

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. 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.