A family went out to dinner and their meal cost $45.50. They left a 20% tip. How much tip did they leave?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?