How much greater is the area of a a square with a side length of 8 inches than the area of a circle with radius of 4 inches?

What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

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.